# Alternative constructor with class method

class Employee:

    def __init__(self, first, last):

        self.first = first

        self.last = last

    @classmethod

    def from_string(cls, emp_str):

        first, last = emp_str.split(' ')

        return cls(first, last)    # cls() is the same as Employee()

​

emp_1 = Employee('John', 'Smith')

emp_2 = Employee.from_string('Jane Doe')