a=5.0
b=6
c=8
d=a+b+c
print(d)
print()
f="hello"
print(type(f))
print(type(d))
#print(type(a))  #comment
# comment
# Data types
#1. int - integer = numbers without decimal (.) - 5, 6, 99, -90
val1 = 5  #int
print(val1)
print(type(val1))
val2 = 5.0  #float
print(type(val2))
#output:
val3 = "asfsdfsdfdsfdf5" #str for string
print(type(val3))
val4 = True #bool - boolean
print(type(val4))
#Operations that can be performed on all the values
#Type of operation:  ARITHEMATIC Operations: +, -, *, /, //, %, **
#input: it can take only numbers (int & float)
#output: output will be either int or float
var1 = 40
var2 = 50
print(var1+var2)
print(var1-var2)
print(var1*var2)
print(var1/var2)
# power
print(3**4)  # ?
print(10/3)  #integer division
print(10//3)
print(10%3) #modulo - gives us remainder

#Assignment
value1 = 50

#comparison operation:  Is ... ? Output type is always a boolean: True or False
val1 = 50
val2 = 60
print("val1 > val2: ", val1 > val2) # is val1 greater than val2?
print("val2 > val1: ",val2 > val1)  #is val2 greater thab val1?
print("val1 < val2: ", val1 < val2) # is val1 less than val2?
print("val2 < val1: ",val2 < val1)  #is val2 less than val1?
val1 = 50; val2 = 60
val1,val2,val3,val4 = 50,50,60,60
print("val1 >= val2: ", val1 >= val2) # is val1 greater than or equal to val2?
print("val2 >= val1: ",val2 >= val1)  #is val2 greater than or equal to val1?
print("val1 <= val2: ", val1 <= val2) # is val1 less than or equal to val2?
print("val2 <= val1: ",val2 <= val1)  #is val2 less than or equal to val1?

print(val1 == val2)# is it equal to
print(val1 != val2)# is it not equal to

############################
#logical operations -> input is boolean and output is also boolean
#operators: and  or not
print(5+3-2*3+2)  # / * + -
# 2 + 2
print(True and False or False) #and or
# FALSE OR FALSE = False
val1, val2 = 30, 40
print(val1> val2 or val1 == val2 and val1 <= val2 or val2 > val1 and val1 !=val2)
# T

#True

# 2 softwares:  Python (python.org)
# pycharm  (jetbrains.com)

print(4+5)
print("4+5")
print("4+5 =",4+5)
var1 = -15  #lets take a variable with name var1 and lets assume its value is -15
print(type(var1))  # int = integer - any numeric value without the decimal part (.)
var1 = 5.0
print(type(var1))  #float - will have decimal part
var1 = "5"
var1 = "Hello"
var2 = var1
print(type(var1)) #str - string - all text
FALSE =False
var1 = "FALSE" #bool - boolean values   True
print(type(var1))
# complex - square root (-1)
# i = square root of -1
# i * i = -1
# square root (-25 = -1 * 25): 5i
#int()
val1 = 5j
print(type(val1))
print(5j * 5j)
a = 6-2j
b =  6                   + 2j
print(a*b) #( (x-y)*(x+y) = x2 - y2  :36 +4 = 40 +0j)
val1 = 6
val2 = 12
print(val1 + val2)
print(val1 - val2)
print(val1 * val2)
print(val1 / val2)  #0.5
print(val1 // val2)  #integer division - 0
print(4 ** 3)  #power : exponent:  4 ** 3 = 4 cube
print(13 % 5)
### Arithematic operations
#bin
val1 = 8
print("Binary format = ",bin(8))
print("Octal format = ",oct(8))
print("Hexadecimal format = ",hex(8))
print("Octal value = ",oct(0b1011))  # 8, 9, 10, 11 => 10,11,12,13 => 0o13
print("Decimal value = ",int(0b1011))  # 11

quantity = 25
price = 21
total = quantity * price
# The total cost of 25 pens each costing 21 is
print("The total cost of",quantity,"pens each costing",price,"is",total)
print("The total cost of {quantity} pens each costing {price} is {total}")
print(f"The total cost of {quantity} pens each costing {price} is {total}")
total = 1000  #implicit
quantity = 30
test_val = total+quantity  #implicit conversion
price = total /quantity  #implicit conversion
print(f"The total cost of {quantity} pens each costing {price:0.2f} is {total}")

#input()
user_value = input("Enter a number: ")
print("User input value = ",user_value)
print("Data type of user input is ",type(user_value))
user_value = int(user_value)  #explicit conversion
print("User input value = ",user_value)
print("Data type of user input is ",type(user_value))
user_value2 = float(input("Enter another number: "))
print(user_value2)

#WAP to find area and perimeter of a rectangle by taking length and breadth as input
### the area and perimeter of a rectangle of lenght XX and breadth YY is AA and PP respectively
# a = l*b  / p = 2 (l+b)
#WAP to find area and circumference of a circle by taking radius as input
###  the area and circumference of a circle of radius XX  is AA and CC respectively
#   pi = 3.04   / a= pi r square   / c = 2 * pi * r
a= int(input("a = "))
b= int(input("b = "))
print(a+b)
a= int(input("a = "))
b= int(input("b = "))
print(a+b)

total = 1000  #implicit
quantity = 30
test_val = total+quantity  #implicit conversion
price = total /quantity  #implicit conversion
print(f"The total cost of {quantity} pens each costing {price:0.1f} is {total}")

a=6
b=5
area = a * b
perimeter = 2 * (a + b)
print(f"area is {area:0.2f}")
print("perimeter is"+ str(perimeter))


## 22 JULY 2022
# IF - elif elif -ELSE

num = 0
if num <0:
    print("Its a negative value")
elif num >0:
    print("Its a positive value")
else:
    print("Its zero!!!")

#repeat set of code
# for - when you know how many times to repeat
# while - repeat untill a condition becomes false
for i in range(0,10):  #start, end, increment (default value of increment when not mentioned is 1)
    print("How are you?")
    print("The value of i =",i)

for i in range(4):  #start (default zero when no value given, end, increment (default value of increment when not mentioned is 1)
    print("How are you?")
    print("The value of i =",i)


for i in range(3,31,3):
    print("How are you?")
    print("The value of i=", i)

print("I am done")
'''
#wap to print:
*
*
*
*
*
'''
'''
* * * * *
* * * *
* * *
* *
*
'''
n=5
for j in range(n):
    for i in range(n-j):
        print("*",end= ' ')
    print()

## We will not have session on Monday

# wap to print: * * * * *
#generate values from 1 to 20 and check which numbers are divisible by 5
#5 is divisible by 5
#10 is divisible by 5
#15 is divisible by 5
#20 is divisible by 5
for i in range(1,21):
    if i%5 ==0:
        print(i,"is divisible by 5")

for i in range(1, 21):
    print(i)
    if i % 5==0:
        print("not divisible")
    else:
        print("divisible")

'''
#1. WAP to generate multiple of a given number, eg 3:
3 * 1 = 3
3 * 2 = 6
...
3 * 10 = 30
'''
'''
Generate multiplication table from 1 to 10
1 * 1 = 1   2 * 1 = 2   3 * 1 = 3  ...   10 * 1 = 10
1 * 2 = 2   2 * 2 = 4   3 * 2 = 6  ...   10 * 2 = 20
...

1 * 10 = 10   2 * 10 = 20  3 * 10 = 30 .... 10 * 10 = 100
'''

# 3. Enter 2 values (length & breadth) and check if they are rectangle or square and find area & perimeter
# Sum of first n natural numbers:  1 + 2 + 3... +100 = n*(n+1)/2
# 4. WAP to find sum of first n natural numbers (given n) using loop and then calculate using formula and confirm
# if they give you same result.

# 5. generate first n odd numbers and first n even numbers

#For
for i in range(1, 11):
    for j in range(1, 11):
        print(f"{j:2} * {i:2}={j*i:2}",end="  ")
    print()
#While
i=1
while True:
    print(i)
    i=i+1
    ch = input("Press y to continue else stop!")
    if ch!='y':
        break

i=1
while True:
    if i%5==0:
        print(i)
    i=i+1
    #ch = input("Press y to continue or else stop!")
    if i==60:
        break

#Guessing game - between 1 and 100
import random
main_num = random.randint(1,100)
count_steps = 0
start = 1
end = 100
while True:
    guess = random.randint(start,end)
    count_steps += 1  # a = a+ b => a+=b
    if guess == main_num:
        print(f"Congratulations! You got the correct value {guess} in {count_steps} chances.")
        break
    elif guess < main_num:
        print(f"Sorry! Its higher than {guess}. Guess again")
        start = guess+1
    else:
        print(f"Sorry! Its lower number than {guess}. Guess again")
        end = guess - 1