x = 50

def func(x):
    print('x is',x)
    x = 2
    print('Changed local x to',x)
    
func(x)
print('x is still',x)
x = 50

def func(x):
    print('x is',x)
    x = 2
    print('Changed local x to',x)
    
func(x)
print('x is still',x)