##### November 23 Morning Python

# interpreter – Python, R

# pycharm editor by Jetbrains

print(“HELLO”) #tffjhgjhj

”’

sdfgdfgdf

dfdfgfd

zdfgdfzgzdf

”’

print(“5 + 3”)

print(5 + 3)

print(“5 + 3 =”, 5 + 3, “and 6+2 is also”,6+2)

#below we defined a variable called num1 and assgined a value

num1=30

num1 = 90

# there are 5 basic types of data:

# 1. integer (int): -infinity to + infinity no decimal

# 45, -99, 0, 678

num1=30

# type() which gives the type of the data (datatype)

print(type(num1)) #<class ‘int’>

# 2. Float (float) – decimal data

# 45.8, -99.9, 0.0, 678.123456678

num1=30.0

print(type(num1)) #<class ‘float’>

# 3. complex [square root of -1]: 3+2j, -7j

num1=30j

print(type(num1)) #<class ‘complex’>

print(30j* 30j)

# 4. string (str) – text data

# strings are defined using ‘ or ” or ”’ or “””

word1 = ‘hello’

print(type(word1)) #<class ‘str’>

word1 = ‘5’

print(type(word1)) #<class ‘str’>

# 5. boolean (bool) – just 2 values: True and False

b1 = ‘True’

print(type(b1)) #<class ‘str’>

b1 = True

print(type(b1)) #<class ‘bool’>

### ####

print(“Hello”)

a = 45;print(a);print(‘a’)

##

# variables – can have alphabets, numbers and _

# variable name cant start with a number

cost_potato = 35

cost_tomato = 55

qty_potato = 37

total_cost_potato = cost_potato * qty_potato

print(“Cost of potato is Rs”,cost_potato,“/kg so for the”,

qty_potato,“kg cost would be Rs”,total_cost_potato)

# f – string (format string)

print(f”Cost of potato is Rs {cost_potato} /kg so for the “

f”{qty_potato} kg cost would be Rs {total_cost_potato}“)

# print()

# int, float, bool, complex, str

# f string

print(“Hello”)

print(“Hi”)

# escape sequence: \

print(“Hello \\hi”)

print(“\n will generate newline”)

print(“\t will give tab spaces”)

print(“\\n will generate newline”)

print(“\\t will generate tab space”)

# \\n is not generate newline

print(“\\\\n is not generate newline”)

# f string

q = 50

p = 25

t = q * p

print(f”The cost of each pen is {p} so for {q} quantities, the total cost will be {t}.”)

t = 200

q = 23

p = t / q

# how to format decimal places using f-string

print(f”The cost of each pen is {p:.2f} so for {q} quantities, the total cost will be {t}.”)

# format your string values

pos,country, name = “Batsman”,“India”, “Virat”

print(f”Player {name:<16} plays for {country:^16} as a {pos:>16} in the team”)

pos,country, name = “Wicket-keeper”,“South Africa”, “Mangabwabe”

print(f”Player {name:<16} plays for {country:^16} as a {pos:>16} in the team”)

### working with variables

# numeric operations available: Arithematic operations

n1, n2 = 10,5

print(n1 + n2)

print(n1 – n2)

print(n1 * n2)

print(n1 / n2)

print(n1 // n2) # integer division

print(31/4)

print(31//4)

print(n1 ** n2) #power of10 to 5

print(n1 % n2) # modulus – mod – remainder

print(31 % 4)

### relational operations

# comparators – comparison operators: > < <= >=, == , !=

# output is bool values

# 6 > 9 : is 6 greater than 9? False

n1,n2,n3 = 10,5, 10

print(n1 > n2) # T

print(n1 < n2) # F

print(n1 >= n2) # T

print(n1 <= n2) # F

print(n1 == n2) # F

print(n1 != n2) # T

print(“checking with n3….”)

print(n1 > n3) # F

print(n1 < n3) # F

print(n1 >= n3) # T

print(n1 <= n3) # T

print(n1 == n3) # T

print(n1 != n3) # F

# Assignment operation =

n1 = 10

print(n1) # value is 10

#logical operators: i/p and o/p both bool

#operators are: and or not

”’

Prediction: Rohit and Gill will open the batting

Actual: Rohit and Kishan opened the batting

Prediction ? False

Prediction: Rohit or Gill will open the batting

Actual: Rohit and Kishan opened the batting

Prediction ? True

AND:

T and T => True and rest everything is False

OR:

F or F => False and rest everything is True

NOT: Not True is false and Not false is true

”’

n1,n2,n3 = 10, 5, 10

print(n1 == n2 and n1 != n2 and n1 > n3 or n1 < n3 or n1 >= n3 and n1 <= n3 or

# int, float, bool, complex, str

# f string

print(“Hello”)

print(“Hi”)

# escape sequence: \

print(“Hello \\hi”)

print(“\n will generate newline”)

print(“\t will give tab spaces”)

print(“\\n will generate newline”)

print(“\\t will generate tab space”)

# \\n is not generate newline

print(“\\\\n is not generate newline”)

# f string

q = 50

p = 25

t = q * p

print(f”The cost of each pen is {p} so for {q} quantities, the total cost will be {t}.”)

t = 200

q = 23

p = t / q

# how to format decimal places using f-string

print(f”The cost of each pen is {p:.2f} so for {q} quantities, the total cost will be {t}.”)

# format your string values

pos,country, name = “Batsman”,“India”, “Virat”

print(f”Player {name:<16} plays for {country:^16} as a {pos:>16} in the team”)

pos,country, name = “Wicket-keeper”,“South Africa”, “Mangabwabe”

print(f”Player {name:<16} plays for {country:^16} as a {pos:>16} in the team”)

### working with variables

# numeric operations available: Arithematic operations

n1, n2 = 10,5

print(n1 + n2)

print(n1 – n2)

print(n1 * n2)

print(n1 / n2)

print(n1 // n2) # integer division

print(31/4)

print(31//4)

print(n1 ** n2) #power of10 to 5

print(n1 % n2) # modulus – mod – remainder

print(31 % 4)

### relational operations

# comparators – comparison operators: > < <= >=, == , !=

# output is bool values

# 6 > 9 : is 6 greater than 9? False

n1,n2,n3 = 10,5, 10

print(n1 > n2) # T

print(n1 < n2) # F

print(n1 >= n2) # T

print(n1 <= n2) # F

print(n1 == n2) # F

print(n1 != n2) # T

print(“checking with n3….”)

print(n1 > n3) # F

print(n1 < n3) # F

print(n1 >= n3) # T

print(n1 <= n3) # T

print(n1 == n3) # T

print(n1 != n3) # F

# Assignment operation =

n1 = 10

print(n1) # value is 10

#logical operators: i/p and o/p both bool

#operators are: and or not

”’

Prediction: Rohit and Gill will open the batting

Actual: Rohit and Kishan opened the batting

Prediction ? False

Prediction: Rohit or Gill will open the batting

Actual: Rohit and Kishan opened the batting

Prediction ? True

AND:

T and T => True and rest everything is False

OR:

F or F => False and rest everything is True

NOT: Not True is false and Not false is true

”’

n1,n2,n3 = 10, 5, 10

print(n1 == n2 and n1 != n2 and n1 > n3 or n1 < n3 or n1 >= n3 and n1 <= n3 or

n1 == n3 and n1 != n3)

# F and T and F or F or T and T or T and F

# F or F or T or F

# T

# BODMAS: AND take priority over OR

## converting one type to another:

# int() str() bool() complex() float()

n1 = 50

print(n1)

print(type(n1))

n2 = str(n1)

print(type(n2))

print(n2)

# input() – is to read the content from the user

# by default, input() will read as string value

val1 = input()

print(val1)

print(type(val1))

#WAP to add two numbers by taking input from the user

a = input(“Enter first number: “)

b = input(“Enter second number: “)

c = int(a) + int(b)

print(“Sum is “,c)

# WAP to read length and breadth of a rectangle from the user

# and display area and perimeter.

# F and T and F or F or T and T or T and F

# F or F or T or F

# T

# BODMAS: AND take priority over OR

## converting one type to another:

# int() str() bool() complex() float()

n1 = 50

print(n1)

print(type(n1))

n2 = str(n1)

print(type(n2))

print(n2)

# input() – is to read the content from the user

# by default, input() will read as string value

val1 = input()

print(val1)

print(type(val1))

#WAP to add two numbers by taking input from the user

a = input(“Enter first number: “)

b = input(“Enter second number: “)

c = int(a) + int(b)

print(“Sum is “,c)

# WAP to read length and breadth of a rectangle from the user

# and display area and perimeter.

breadth = int(input(“Enter breadth: “))

area = len * breadth

peri = 2*(len + breadth)

print(f”Area = {area} and Perimeter = {peri}“)

pi = 3.14

rad = float(input(“Enter the radius of the circle: “))

area = pi*(rad**2)

cir = 2*pi*rad

print(f”A circle with radius {rad:.1f} has an area of {area:.2f} and circunference of {cir:.2f}“)

#program to calculate total and average of marks obtained in 5 subjects

sub1 = int(input(“Enter the marks in subject 1: “))

sub2 = int(input(“Enter the marks in subject 2: “))

sub3 = int(input(“Enter the marks in subject 3: “))

sub4 = int(input(“Enter the marks in subject 4: “))

sub5 = int(input(“Enter the marks in subject 5: “))

total = sub1 + sub2 + sub3 + sub4 + sub5

avg = total / 5

print(“Total marks obtained is”,total,“with an average of”,avg)

# WAP to indicate number of each value of currency note you will pay

# based on the total demand

”’

Currency notes available: 500, 100, 50, 20, 10, 5, 2, 1

Total bill = 537

500 – 1

20 – 1

10 – 1

5 – 1

2 – 1

”’

five00, one00,fifty,twenty, ten,five,two,one = 0,0,0,0,0,0,0,0

total_amount= int(input(“Enter total bill amount = “))

five00 = total_amount // 500

total_amount = total_amount % 500

one00 = total_amount // 100

total_amount = total_amount % 100

fifty = total_amount // 50

total_amount = total_amount % 50

twenty = total_amount // 20

total_amount = total_amount % 20

ten = total_amount // 10

total_amount = total_amount % 10

five = total_amount // 5

total_amount = total_amount % 5

two = total_amount // 2

total_amount = total_amount % 2

one = total_amount

print(“Total currency that would be paid:”)

print(f”500s = {five00}, 100s = {one00}, 50s ={fifty},20s = {twenty}, “

f”10s = {ten},5s = {five},2s ={two},1s={one}“)

# Conditions: if command is used to check for the conditions

# if command is followed by condition (conditional operator) and if

# the condition result in true it will get into If block

num1 = 9

q = int(input(“Enter the quantity: “))

if q > 0:

print(“Quantity accepted”)

print(“Sales confirmed”)

print(“Thank You”)

#but lets say you want to have alternate condition, that means when

# its True then print True part and when its not then you want to

#print false part

if q > 0: #True then go to below

print(“Given Quantity accepted”)

else: # if condition is false then comes here

print(“Quantity rejected”)

##

if num>0:

print(“Number is positive”)

else:

print(“Number is not positive”)

# WAP to indicate number of each value of currency note you will pay

# based on the total demand

”’

Currency notes available: 500, 100, 50, 20, 10, 5, 2, 1

Total bill = 537

500 – 1

20 – 1

10 – 1

5 – 1

2 – 1

”’

five00, one00,fifty,twenty, ten,five,two,one = 0,0,0,0,0,0,0,0

total_amount= int(input(“Enter total bill amount = “))

five00 = total_amount // 500

total_amount = total_amount % 500

one00 = total_amount // 100

total_amount = total_amount % 100

fifty = total_amount // 50

total_amount = total_amount % 50

twenty = total_amount // 20

total_amount = total_amount % 20

ten = total_amount // 10

total_amount = total_amount % 10

five = total_amount // 5

total_amount = total_amount % 5

two = total_amount // 2

total_amount = total_amount % 2

one = total_amount

print(“Total currency that would be paid:”)

if five00>0:

print(f”500s = {five00}“)

if one00>0:

print(f”100s = {one00}“)

if fifty>0:

print(f”50s ={fifty}“)

if twenty>0:

print(f”20s = {twenty}“)

if ten>0:

print(f”10s = {ten}“)

if five>0:

print(f”5s = {five}“)

if two>0:

print(f”2s ={two}“)

if one>0:

print(f”1s={one}“)

#program to calculate total and average of marks obtained in 5 subjects

sub1 = int(input(“Enter the marks in subject 1: “))

sub2 = int(input(“Enter the marks in subject 2: “))

sub3 = int(input(“Enter the marks in subject 3: “))

sub4 = int(input(“Enter the marks in subject 4: “))

sub5 = int(input(“Enter the marks in subject 5: “))

total = sub1 + sub2 + sub3 + sub4 + sub5

avg = total / 5

print(“Total marks obtained is”,total,“with an average of”,avg)

# we need to check if the student has passed or failed

# avg > 50 – pass otherwise fail

if avg>=50:

print(“Student has passed”)

else:

print(“Student has failed”)

# check if a number is positive or negative or neither

num = int(input(“Enter the number: “))

if num > 0:

print(“Its positive”)

elif num < 0:

print(“Its negative”)

else:

print(“Its neither – its zero”)

#program to calculate total and average of marks obtained in 5 subjects

sub1 = int(input(“Enter the marks in subject 1: “))

sub2 = int(input(“Enter the marks in subject 2: “))

sub3 = int(input(“Enter the marks in subject 3: “))

sub4 = int(input(“Enter the marks in subject 4: “))

sub5 = int(input(“Enter the marks in subject 5: “))

total = sub1 + sub2 + sub3 + sub4 + sub5

avg = total / 5

print(“Total marks obtained is”,total,“with an average of”,avg)

# we need to check if the student has passed or failed

# avg > 50 – pass otherwise fail

if avg>=50:

print(“Student has passed”)

else:

print(“Student has failed”)

# Grading of the student:

”’

avg >= 90 : Grade A

avg >= 80 : Grade B

avg >= 70: Grade C

avg >= 60: Grade D

avg >= 50: Grade E

avg <50: Grade F

”’

if avg >= 90 :

print(“Grade A”)

elif avg >= 80 :

print(“Grade B”)

elif avg >= 70:

print(“Grade C”)

elif avg >= 60:

print(“Grade D”)

elif avg >= 50:

print(“Grade E”)

else:

print(“Grade F”)

# input a number and check if the number is odd or even

num = int(input(“Enter the number: “))

if num<0:

print(“Invalid number!”)

elif num%2==0:

print(“Even number”)

else:

print(“Odd Number”)

# input a number and check if the number is odd or even

# example of nested condition

num = int(input(“Enter the number: “))

if num>0:

if num%2==0:

print(“Even number”)

else:

print(“Odd Number”)

#program to calculate total and average of marks obtained in 5 subjects

sub1 = int(input(“Enter the marks in subject 1: “))

sub2 = int(input(“Enter the marks in subject 2: “))

sub3 = int(input(“Enter the marks in subject 3: “))

sub4 = int(input(“Enter the marks in subject 4: “))

sub5 = int(input(“Enter the marks in subject 5: “))

total = sub1 + sub2 + sub3 + sub4 + sub5

avg = total / 5

print(“Total marks obtained is”,total,“with an average of”,avg)

# we need to check if the student has passed or failed

# avg > 50 – pass otherwise fail

# and also assign Grades

if avg>=50:

print(“Student has passed”)

if avg >= 90:

print(“Grade A”)

if avg>95:

print(“You win President’s Medal”)

if avg >98:

print(“You win State Governor’s Award!”)

elif avg >= 80:

print(“Grade B”)

elif avg >= 70:

print(“Grade C”)

elif avg >= 60:

print(“Grade D”)

else:

print(“Grade E”)

else:

print(“Student has failed”)

print(“Grade F”)

########## ###########

## LOOPS

########## ###########

# Loops : repeatition

# hello 10 times

# for loop: used when we know how many times to repeat

# while loop: used when we know when to repeat and when not to

# range() works with if

# range(=start, <end, =step): start = 5, end =11, step=2:

# 5, 7, 9,

# range(=start, <end): step default = 1

# range(5,11): 5,6,7,8,9,10

# range(<end): step default = 1, start default = 0

# range(5): 0,1,2,3,4

for i in range(5,11,2):

print(i,“hello 1”)

for i in range(5,10):

print(i,“hello 2”)

for i in range(5):

print(i,“hello”)

# for loop and while loop

# generate numbers from 1 to 20

for i in range(1,21):

print(i,end=“, “)

print()

# generate first 10 odd numbers

for i in range(10):

print(i*2+1,end=“, “)

print()

# generate even numbers between 10 and 20

for i in range(10,21,2):

print(i,end=“, “)

print()

#multiplication table of 8 upto 10 multiples

num = 8

for i in range(1,11):

print(f”{num} * {i} = {num*i}“)

#multiplication table of 1 to 10 upto 10 multiples

for num in range(1,11):

for i in range(1,11):

print(f”{num} * {i} = {i*num}“)

#multiplication table of 1 to 10 upto 10 multiples

# print them side by side

”’

1×1=1 2×1=2 … 10×1=10

1×2=2 2×2=2

…

1×10=10

”’

for num in range(1,11):

for i in range(1,11):

print(f”{i} * {num} = {num*i}“,end=“\t“)

print()

print(“Thank you”)

######### #######

## More examples of For Loop

####### #######

for i in range(5):

print(“*”,end=” “)

print()

print(“\n#print square pattern of stars”)

num = 5

for j in range(num):

for i in range(num):

print(“*”,end=” “)

print()

print(“\n#right angled triangle pattern”)

num = 5

for j in range(num): #tracking rows

for i in range(j+1): #column

print(“*”,end=” “)

print()

print(“\n#inverted right angled triangle pattern”)

num = 5

for j in range(num): #tracking rows

for i in range(num-j): #column

print(“*”,end=” “)

print()

print(“\n#Isoceles triangle pattern”)

”’

* * * * *

* * * *

* * *

* *

*

”’

num = 5

for j in range(num): #tracking rows

for i in range(j): #column

print(” “,end=“”)

for k in range(num-j): #column

print(“*”,end=” “)

print()

print(“\nASSIGNMENT: Inverted Isoceles triangle pattern”)

”’

*

* *

* * *

* * * *

* * * * *

”’

# Write your code here

# Calcualte total of 5 subjects marks

total = 0

for i in range(5):

m1 = int(input(“Marks in subject “+ str(i+1)+ “: “))

total += m1 #total = total + m1

print(total)

# generate numbers from 1 to 20

i=1

while i<21:

print(i,end=“, “)

i=i+1

print()

# generate first 10 odd numbers

i = 0

while i <10:

print(i*2+1,end=“, “)

i+=1

print()

# generate even numbers between 10 and 20

i=10

while i<21:

print(i,end=“, “)

i+=2

print()

## ## ##

# Calcualte total of 5 subjects marks for given number of students

cont = 1

while cont ==1:

total = 0

for i in range(5):

m1 = int(input(“Marks in subject “+ str(i+1)+ “: “))

total += m1 #total = total + m1

print(total)

inp = input(“Do you want to add more students (y for yes/anyother key to stop):”)

if inp!=“y”:

cont = 0

## rewriting above program

while True:

total = 0

for i in range(5):

m1 = int(input(“Marks in subject “+ str(i+1)+ “: “))

total += m1 #total = total + m1

print(total)

inp = input(“Do you want to add more students (y for yes/anyother key to stop):”)

if inp!=“y”:

break

”’

break: it will throw you out of the loop

”’

”’

Create a set of Menu options for a Library

”’

while True:

print(“Menu:”)

print(“1. Add books to the library”)

print(“2. Remove books from the library”)

print(“3. Issue the book to the member”)

print(“4. Take the book from the member”)

print(“5. Quit”)

choice = input(“Enter your option:”)

if choice==“1”:

print(“Adding books to the library”)

elif choice==“2”:

print(“Removing books from the library”)

elif choice==“3”:

print(“Issuing the book to the member”)

elif choice==“4”:

print(“Taking the book from the member”)

elif choice==“5”:

break

else:

print(“Invalid option! try again…”)

”’

Based on this program, create a Menu option for performing basic

arithematic operations like + – * / // ** %

”’

Develop a guessing number Game

”’

import random

num1 = random.randint(1,100)

attempts = 0

while True:

guess = int(input(“Guess the number (1-100): “))

if guess >100 or guess < 1:

print(“INVALID NUMBER!”)

continue

attempts+=1

if num1 ==guess:

print(f”Good job! You guessed it correctly in {attempts} attempts.”)

break

elif num1 < guess:

print(“Sorry! Try guessing lower number”)

else:

print(“Sorry! Try guessing higher number”)

# # # # # #

”’

Develop a guessing number Game

”’

import random

num1 = random.randint(1,100)

attempts = 0

low,high = 1,100

while True:

#lets make computer guess the number

guess = random.randint(low,high)

if guess >100 or guess < 1:

print(“INVALID NUMBER!”)

continue

attempts+=1

if num1 ==guess:

print(f”Good job! You guessed {guess} correctly in {attempts} attempts.”)

break

elif num1 < guess:

print(f”Sorry! Try guessing lower number than {guess}“)

high=guess – 1

else:

print(f”Sorry! Try guessing higher number than {guess}“)

low= guess + 1

# # # #

# # # # #

# LIST

# # # # #

l1 = [25,45.9,“1”,[29,41]]

print(“Data type of L1 : “,type(l1))

print(“Number of values in L1 : “,len(l1))

print(“Values in the list = “,l1)

l2 = [“Hello”,“How”,“Are”,“You”]

l3 = l1 + l2

print(“L3 = “,l3)

print(“Multiply = “,l2 * 3)

# Indexing

#indexing starts with 0,

print(“4th value from the list: “,l3[3])

l5 = l3[3]

print(l5[1])

print(l3[3][1])

print(“last member of the list = “,l3[len(l3)-1])

print(“last member of the list = “,l3[-1])

print(“first member of the list = “,l3[0])

print(“first member of the list = “,l3[-len(l3)])

print(“First 3 members of the list: “,l3[0:3])

print(“First 3 members of the list: “,l3[:3])

print(“Last 3 members of the list: “,l3[:])

List – linear ordered mutable collection

”’

l1 = [5,15,25,35]

l1[1] = 20 #mutable

print(l1)

print(l1[1:3])

print(l1[:]) #left of : blank -0 index, blank on right indicate – last index

print(“Last 2 members of L1=”,l1[2:4], “or”,l1[2:],“or”,l1[-2:])

var1 = ‘hello’

print(var1[1])

# strings are immutable

#var1[1]=”E” – TypeError: ‘str’ object does not support item assignment

l1 = [100]

print(type(l1))

l1.append(10) # to add members to the list – it will add at the end

l1.append(20)

l1.append(30)

#insert() – also adds but it needs the position

l1.insert(40,1)

l1.insert(1,50)

l1.insert(1,20)

l1.insert(1,20)

print(l1)

#remove(value_to_be_removed) , pop(index_to_be_deleted)

# remove all 20s

#first count the # of 20

num_20 = l1.count(20)

for i in range(num_20):

l1.remove(20)

print(l1)

l1.pop(1)

print(l1)

l1.append(100)

# check if 100 is in the list

count_100 = l1.count(100)

if count_100 >0:

print(“100 is in the list and at position”,l1.index(100))

print(“100 is in the list and at position”, l1.index(100,1,7))

else:

print(“100 is not in the list”)

## write a program to read marks of 5 subjects

# and store the values and display total and avg

marks=[]

for i in range(5):

m = int(input(“Enter marks: “))

marks.append(m)

print(“Total marks = “,sum(marks),“and avg=”,sum(marks)/5)

l2 = [1,2,3,4,5,6,2,3,4]

l2.reverse()

print(“Reverse: “,l2)

l2.sort() #sort in increasing order

print(“Sort: “,l2)

l2.sort(reverse=True) #sorting in decreasing order

print(l2)

####

print(“======= ========”)

l3 = l2 #deep copy – two names of same list

l4 = l2.copy() #shallow copy – photocopy

print(“L2 = “,l2)

print(“L3 = “,l3)

print(“L4 = “,l4)

l2.append(77)

l3.append(88)

l4.append(99)

print(“L2 = “,l2)

print(“L3 = “,l3)

print(“L4 = “,l4)

print(“======= ========”)

l2.clear() # delete all the members from the list

print(“After clear: “,l2)

”’

Stack – First In Last Out:

Assignment – Implement Stack concept using List:

use: while True to create a menu with 4 options:

1. Add to the stack

2. Remove to the stack

3. Print the values from the stack

4. Quit

Start with an empty list and perform addition/deletion

to the list based on user selection

”’

val1 = (1, “hello”, [3, 4, 5]) # packing

print(“Data type = “, type(val1))

# immutable

l1 = [2, 3, 4]

l1[1] = 33

print(“L1 = “, l1)

# val1[1]=”There” TypeError: ‘tuple’ object does not support item assignment

# so tuples are immutable

# indexing – reading values from tuple is exactly like list

for t in val1:

print(t)

# unpacking:

v1, v2, v3 = val1

print(v1, v2, v3)

print(“Number of values in tuple=”, len(val1))

val2 = (39, 68)

val3 = (14, 98, 254, 658)

if val2 > val3:

print(“Val2 is greater”)

else:

print(“Val3 is greater”)

# converting tuple to list

val1 = list(val1)

val1 = tuple(val1)

#STRINGS

# handling text data

str1 = “HELLO”

str2 = ‘Hi there’

str3 = ”’Hello how are you?

Are doing well?

See you soon”’

str4 = “””I am fine

I am doing well

hope you are doing great too”””

print(str3)

# indexing is very similar to list and tuple

print(str1[0],str1[-1],str1[:])

print(str1+” “+str2)

print(str1*3)

# strings are also (like tuple) immutable

# you cant edit the existing string value

#str1[0]=”Z” TypeError: ‘str’ object does not support item assignment

str1 = “Z”+str1[1:]

print(“New Value = “,str1)

# you can use str in for loop just like List or Tuple

for s in str1:

print(s)

#methods in str class

str1 = “heLLO how aRE YOU?”

# case related – convering to a specific case

print(str1.lower())

print(str1.upper())

print(str1.title())

#checking the existing str value

str1 = “heLLO how aRE YOU?”

str2= “helohowru”

print(str1.isalpha())

print(str2.isalpha())

print(str1.isspace())

print(str2.islower())

print(str2.isalnum())