def f():
    print('hello')
    print('world')
    print('!')
#comment

class C:
    print('hello')
    print('world')
    print('!')
#comment

if True:
    print('hello')
    print('world')
    print('!')
#comment

if True:
    print('hello')
    print('world')
    print('!')
else:
    print('hello')
    print('world')
    print('!')
#comment

if True:
    print('hello')
    print('world')
    print('!')
elif True:
    print('hello')
    print('world')
    print('!')
#comment
        
for i in xrange(100):
    print('hello')
    print('world')
    print('!')
    
while True:
    print('hello')
    print('world')
    print('!')