NEED HELP ! PYTHON CODE Given a list of strings, return a dictionary containing a key for every different string in the list, and the value is that string's length.

# problem_a(["a", "bb", "a", "bb"]) {"bb": 2, "a": 1}

# problem_a(["this", "and", "that", "and"]) {"that": 4, "and": 3, "this": 4}

# problem_a(["code", "code", "code", "bug"]) {"code": 4, "bug": 3}

def problem_a(string_list):

#return needs to stay

return dictionary