class Citizen():
    type='Citizen'
    colony='init'
    def __init__(self,value1,value2):
        self.name=value1
        self.gender=value2
    def __iter__(self):
        return iter(self.name)
    def print_citizen(self,colonyname):
        for i in self.Citizen:
            if (Citizen.colony==colonyname) :
                print(i.name,' | Citizen | ',i.gender)

for i in self.Citizen:
 AttributeError: 'str' object has no attribute 'Citizen'