gistfile1.py

# http://dibblego.wordpress.com/2008/09/05/haskell-scala-java-7-functional-java-java/

def balanced(s, parens="()[]", swap={')':'(', ']':'['}):
    if list(reversed(s[:len(s)//2])) == [swap.get(c) for c in list(s)[len(s)//2:]]:
        return all(True for i in s if i not in parens)
    return False

def balanced(s, parens="()[]", swap={')':'(', ']':'['}):
    return all(True for i in s if i not in parens) if list(reversed(s[:len(s)//2]))\
            == [swap.get(c) for c in list(s)[len(s)//2:]] else False