Chaining.py

class Chain():

    def __init__(self):
        self.exampleString = ''

    def prepend(self, str):
        self.exampleString = str + self.exampleString;

        return self

    def append(self, str):
        self.exampleString = self.exampleString + str

        return self

    def print(self):
        print(self.exampleString)


foo = Chain()


foo.append(' works').prepend(' this').prepend('Hey,').append('!').print()
# prints "Hey, this works!"