# str_regex-like_replace.py

# str_regex-like_replace.py -- easier to understand

def repl(s):
        for c in list('#$!/:^?@')+['xyz']:
                s=s.replace(c,'')
        return s
print repl("a#b$c@xyz1!2?3/4zzz:5^6xyz.pyx/y/z")