print(‘5 + 3 =’, 5+3)

pi = 3.1 *# variable*g = 9.8

radius = 15

*# area of a circle = pi * r square*

*# commentsm jhjkhjkhkjhjghg*

print(“Area of a circle =”,3.1 * radius * radius)

*# Write a program to find area and perimeter of a rectangle by taking length and breadth as input*length = 21

breadth = 38

area = length * breadth

perim = 2 * (length + breadth)

print(“Area of rectangle =”,area)

print(“Perimeter of rectangle =”,perim)

*#Write a program to find area and perimeter of a square*side = 35

area = side * side

perim = 4 * side

print(“Area of square =”,area)

print(“Perimeter of square =”,perim)

*#Find total and average of five numbers*num1 = 78

num2 = 82

num3 = 79

num4 = 91

num5 = 59

total = num1 + num2 + num3 + num4 + num5

avg = total / 5

print(“Total = “,total,”Average is”,avg)

num1, num2, num3,num4,num5 = 78,82,79,91,59

total = num1 + num2 + num3 + num4 + num5

avg = total / 5

print(“Total = “,total,“Average is”,avg)

x = 8

y = 2 * x * x – (10 * x) + 30 # expression

print(“Value of y =”,y)

#different types

# basic data types – they can store only one value at a time

# integer (int) – numbers without decimal values

num1 = 5

num2 = 0

num3 = –99 #<class ‘int’>

print(“1. “,type(num1)) #type(num1) – this is first to be called and then print() is called

# float (float) – decimal values

num1 = 5.0

num2 = 0.9

num3 = –99.1 #<class ‘float’>

print(“2. “,type(num1))

# string (str)

var1 = “Hello”

var2 = ‘Good Evening’

var3 = ”’Hi there”’

var4 = “””Python learning”””

print(type(var1), type(var2),type(var3),type(var4))

# boolean (bool) – True & False

var1 = True

var2 = False

print(type(var1), type(var2))

# complex (complex): complex numbers are square root of negative numbers

# square root of -25 = 5i = 5j

var1 = 5j

print(type(var1))

## Operations

#Arithematics operations (maths op)

#Relational operations

#logical operations (and/or/not)