print sum of all the numbers 1 to 10 in python using for loop code example

Example 1: how to add numbers in python using for loop

n = input("Enter Number to calculate sum")
n = int (n)
sum = 0
for num in range(0, n+1, 1):
    sum = sum+num
print("SUM of first ", n, "numbers is: ", sum )

Example 2: sum of 2 numbers in python

a = int(input("Enter first number:"))
b = int(input("Enter second number:"))
sum = a+b
print(sum)

Example 3: how to return the sum of two numbers python

def add(a, b):
  return a + b