how to code in python?

Question

Create a new class called Person. Add 3 attributes (or fields) called first_name, middle and last_name.

Add a function called format_name() and return all 3 attributes.

(Hint: Use the same function we wrote in week 6).

Create a new instance of the Person class, set the attribute fields and then call the format_name() function using print().

Answer 1

class Person():

def __init__(self, first_name, middle, last_name):

self.first_name = first_name

self.middle = middle

self.last_name = last_name

def __str__(self):

return f'{self.first_name} {self.middle} {self.last_name}'

def format_name(self):

return str(self)

@staticmethod

def run_test():

print()

john_j = Person("John", "Jacob", "Jingleheimer Schmidt")

print(f'{john_j.format_name()}')

# print(f'{john_j}') # this line will do the same

# print(john_j) # ditto

print()

def main():

Person.run_test()

if __name__ == '__main__':

main()

#================================================

# OUTPUT

#================================================

# John Jacob Jingleheimer Schmidt

Answer 2

Here's some example code that creates the Person class with the given attributes and method, creates an instance of the class, sets the attribute fields, and calls the format_name() method to print the full name of the Person:

class Person():

def __init__(self, first_name, middle_name, last_name):

self.first_name = first_name

self.middle_name = middle_name

self.last_name = last_name

def format_name(self):

return self.first_name + " " + self.middle_name + " " + self.last_name

person = Person("John", "Jacob", "Jingleheimer Schmidt")

print(person.format_name())

In this code, the __init__ method is used to define the constructor for the Person class, which takes three parameters: first_name, middle_name, and last_name. These parameters are assigned to instance variables of the same names using self.first_name = first_name, self.middle_name = middle_name, and self.last_name = last_name.

The format_name method is defined to return the formatted name string by concatenating the first, middle, and last names.

Then, an instance of the Person class is created with the line Person("John", "Jacob", "Jingleheimer Schmidt") , and the format_name method is called on this instance using person.format_name() to print the formatted name.

Try running this code yourself to see what happens!

Answer 3

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