# first defining a method requiring two parameters a,b to sum up
def sum(a, b):
   # returning result of sum from parameters
   # that might be an integer in most cases
   return (a + b)

# requesting two integers - may be type "float" could be more suitable for higher precision     
a = int(input('Enter 1st number: '))
b = int(input('Enter 2nd number: '))

# generating a formatted output.
# as shown, method call represents an integer value     
print(f'Sum of {a} and {b} is {sum(a, b)}')