1def no_it_isnt(list):
 2    def reverse_string(s):
 3        return s[::-1]
 4
 5    def contra_value(value):
 6        if type(value) is int:
 7            return -value
 8        elif type(value) is float:
 9            return -value
10        elif type(value) is bool:
11            return not value
12        elif type(value) is str:
13            return reverse_string(value)
14        else:
15            return value
16
17    return [contra_value(item) for item in reversed(list)]
18