python string manipulation

Question

I have a string s with nested brackets: s = \"AX(p>q)&E((-p)Ur)\"

I want to remove all characters between all pairs of brackets and

Answer 1

>>> import re
>>> s = "AX(p>q)&E(qUr)"
>>> re.compile("""\([^\)]*\)""").sub('', s)
'AX&E'