Swap two variablesΒΆ

Swap two variables.
a = 30
b = 20

print("\nBefore swap a = %d and b = %d" %(a, b))

a, b = b, a

print("\nAfter swaping a = %d and b = %d" %(a, b))

Output:

Before swap a = 30 and b = 20
After swaping a = 20 and b = 30