def f(a, b):
    a += b
    return a


x = 1
y = 2
print(f(x, y))
print(x, y)
x = [1, 2]
y = [3, 4]
print(f(x, y))
print(x, y)
x = (1, 2)
y = (3, 4)
print(f(x, y))
print(x, y)

def f(a, b):
    a += b
    return a


x = 1
y = 2
print(f(x, y))
print(x, y)
x = [1, 2]
y = [3, 4]
print(f(x, y))
print(x, y)
x = (1, 2)
y = (3, 4)
print(f(x, y))
print(x, y)
