def loop1 ( ) : iterable = [ 1 , 2 , 3 ] for item in iterable : pass loop1 ( ) def loop2 ( ) : for i in range ( 2 ) : print ( i ) loop2 ( ) def loop3 ( ) : def loop ( ) : x = ( 1 , 2 , 3 ) l = [ ] for i in x : l . append ( i ) return l return loop ( ) loop3 ( ) def loop4 ( ) : for i in range ( 3 ) : for j in range ( 2 ) : print ( i * j ) loop4 ( ) for j in [ 1 , 2 , 3 ] [ : : - 1 ] : print ( 'hi' , j )