Write a program to read three number in three variables and swap.

Q. Write a program to read three number in three variables and swap first two variable with the sums of first and second, second and third numbers respectively. 

You can understand by Watching video :-

Answer :-

a = int(input("enter 1st number = "))
b = int(input("enter 2nd number = "))
c = int(input("enter 3rd number = "))
a , b = a + b , b + c
print(a,b,c)

Output :-

enter 1st number = 1
enter 2nd number = 2
enter 3rd number = 3
3 5 3
>>> 

enter 1st number = 9
enter 2nd number = 8
enter 3rd number = 7
17 15 7
>>>