Inheritance exercise

Author: Boshra Mahmoudi

sprint5/Inheritance.py

@@ -0,0 +1,38 @@
+class Parent:  
+  def __init__(self, first_name: str, last_name: str): 
+    self.first_name = first_name
+    self.last_name = last_name
+
+  def get_name(self) -> str:
+    return f"{self.first_name} {self.last_name}"
+
+
+class Child(Parent):
+  def __init__(self, first_name: str, last_name: str):
+    super().__init__(first_name, last_name)
+    self.previous_last_names = []
+
+  def change_last_name(self, last_name) -> None:
+    self.previous_last_names.append(self.last_name)
+    self.last_name = last_name
+
+  def get_full_name(self) -> str:
+    suffix = ""
+    if len(self.previous_last_names) > 0:
+      suffix = f" (née {self.previous_last_names[0]})"
+    return f"{self.first_name} {self.last_name}{suffix}"
+
+person1 = Child("Elizaveta", "Alekseeva")
+print("1",person1.get_name()) # It should print "Elizaveta Alekseeva"
+print("2",person1.get_full_name()) # It should print "Elizaveta Alekseeva"
+person1.change_last_name("Tyurina") # Changes the last name to "Tyurina"
+print("3",person1.get_name())# It should print "Elizaveta Alekseeva" # I was wrong here because the child's last_name has been changed to "Tyurina".
+print("4",person1.get_full_name())# I thought it would print "Elizaveta Alekseeva (née Tyurina)" 
+# I was wrong here again because I misunderstood how last_name and previous_last_names work.
+
+person2 = Parent("Elizaveta", "Alekseeva")
+print("5",person2.get_name()) # It should print "Elizaveta Alekseeva"
+print("6",person2.get_full_name())  # Returns an error because Parent doesn't have a get_full_name() method.
+person2.change_last_name("Tyurina") # Returns an error because Parent doesn't have a change_last_name() method.
+print("7",person2.get_name()) # It should print "Elizaveta Alekseeva"
+print(person2.get_full_name()) # returns an error again because Parent doesn't have a get_full_name() method.