Python Classes: Final QA

Author: bzaczynski

python-class/aircrafts.py

@@ -4,7 +4,7 @@ def __init__(self, thrust, lift, max_speed):
         self.lift = lift
         self.max_speed = max_speed
 
-    def technical_specs(self):
+    def show_technical_specs(self):
         print(f"Thrust: {self.thrust} kW")
         print(f"Lift: {self.lift} kg")
         print(f"Max speed: {self.max_speed} km/h")
@@ -15,6 +15,6 @@ def __init__(self, thrust, lift, max_speed, num_rotors):
         super().__init__(thrust, lift, max_speed)
         self.num_rotors = num_rotors
 
-    def technical_specs(self):
-        super().technical_specs()
+    def show_technical_specs(self):
+        super().show_technical_specs()
         print(f"Number of rotors: {self.num_rotors}")

python-class/crafts.py

@@ -10,7 +10,7 @@ def start(self):
     def stop(self):
         print("Stopping the engine...")
 
-    def technical_specs(self):
+    def show_technical_specs(self):
         print(f"Make: {self.make}")
         print(f"Model: {self.model}")
         print(f"Color: {self.color}")

python-class/employee.py

@@ -16,11 +16,13 @@ def birth_date(self):
     def birth_date(self, value):
         self._birth_date = datetime.fromisoformat(value)
 
-    def age(self):
+    def compute_age(self):
         today = datetime.today()
         age = today.year - self.birth_date.year
         birthday = datetime(
-            today.year, self.birth_date.month, self.birth_date.day
+            today.year,
+            self.birth_date.month,
+            self.birth_date.day
         )
         if today < birthday:
             age -= 1
@@ -31,7 +33,7 @@ def from_dict(cls, data_dict):
         return cls(**data_dict)
 
     def __str__(self):
-        return f"{self.name} is {self.age()} years old"
+        return f"{self.name} is {self.compute_age()} years old"
 
     def __repr__(self):
         return (

python-class/getattr.py

@@ -16,7 +16,7 @@ def to_pickle(self):
         return pickle.dumps(self.__dict__)
 
 
-class Employee(Person, SerializerMixin):
+class Employee(SerializerMixin, Person):
     def __init__(self, name, age, salary):
         super().__init__(name, age)
         self.salary = salary

python-class/mixins.py

@@ -1,9 +1,9 @@
-# Setters and getters
+# Getters and setters
 # class Person:
 #     def __init__(self, name):
 #         self.set_name(name)
 
-#     def name(self):
+#     def get_name(self):
 #         return self._name
 
 #     def set_name(self, value):

python-class/person.py

@@ -25,24 +25,24 @@ def __init__(self, x, y):
 #         return cls(*sequence)
 
 #     @staticmethod
-#     def intro_msg(name):
+#     def show_intro_message(name):
 #         print(f"Hey {name}! This is your 3D Point!")
 
 #     def __repr__(self):
 #         return f"{type(self).__name__}({self.x}, {self.y}, {self.z})"
 
 
 # Dataclass
-@dataclass
-class ThreeDPoint:
-    x: int | float
-    y: int | float
-    z: int | float
-
-    @classmethod
-    def from_sequence(cls, sequence):
-        return cls(*sequence)
-
-    @staticmethod
-    def intro_msg(name):
-        print(f"Hey {name}! This is your 3D Point!")
+# @dataclass
+# class ThreeDPoint:
+#     x: int | float
+#     y: int | float
+#     z: int | float
+
+#     @classmethod
+#     def from_sequence(cls, sequence):
+#         return cls(*sequence)
+
+#     @staticmethod
+#     def show_intro_message(name):
+#         print(f"Hey {name}! This is your 3D Point!")

python-class/points.py python-class/point.pypython-class/points.py renamed to python-class/point.py

@@ -4,31 +4,31 @@
 
 class Shape(ABC):
     @abstractmethod
-    def area(self):
+    def get_area(self):
         pass
 
     @abstractmethod
-    def perimeter(self):
+    def get_perimeter(self):
         pass
 
 
 class Circle(Shape):
     def __init__(self, radius):
         self.radius = radius
 
-    def area(self):
+    def get_area(self):
         return pi * self.radius**2
 
-    def perimeter(self):
+    def get_perimeter(self):
         return 2 * pi * self.radius
 
 
 class Square(Shape):
     def __init__(self, side):
         self.side = side
 
-    def area(self):
+    def get_area(self):
         return self.side**2
 
-    def perimeter(self):
+    def get_perimeter(self):
         return 4 * self.side