class withable():
    def __init__(self, name):
        self.name = name
    def __enter__(self):
        print("enter", self.name)
    def __exit__(self,*args):
        print("exit", self.name, args)

while True:
    with withable('outer'):
        while True:
            with withable('a'):
                print("into a")
                with withable('b'):
                    print("into b")
                    with withable('c'):
                        print("into c")
                        break
                    print("nope b")
                print("nope a")
            print("nope loop")
        print("exit from loop")
        break
    print("nope outer")
print("done")