#>>> re.search(r"def .*return [0-9A-Za-z]*", test, flags=re.DOTALL)
#<_sre.SRE_Match object; span=(11, 40), match='def foo(input):\n\treturn input'>
def find_func(string):
return bool(re.search(r"def .*return [0-9A-Za-z]*", test, flags=re.DOTALL))