Call a method of a class by its name.

class_method_call_by_name.py

class Result():

    def __init__(self, type):

        self.type = type

    def FirstDefinition(self):
        pass

    def SecondDefinition(self):
        pass

    def __repr__(self):
        method = getattr(self, "%sDefinition" % self.type)
        return method()
        
#example use: Result(type='First')