TypeError: 'dict_keys' object does not support indexing

Question

def shuffle(self, x, random=None, int=int):
    \"\"\"x, random=random.random -> shuffle list x in place; return None.

    Optional arg random is a 0-argument fu         


        

Answer 1

In Python 2 dict.keys() return a list, whereas in Python 3 it returns a generator.

You could only iterate over it's values else you may have to explicitly convert it to a list i.e. pass it to a list function.