Basic Inheritance Examples

returnvalue · returnvalue · commit 8cc900e426e4 · 2020-09-09T13:12:10.000-04:00
diff --git a/README.md b/README.md
@@ -33,3 +33,4 @@ files, and the full tutorial for each collection of code is available below. 
 26. [Object Oriented Python](https://vegibit.com/object-oriented-python/)
 27. [Instance Methods And Attributes](https://vegibit.com/python-instance-methods-and-attributes/)
 28. [How To Use type() And isinstance()](https://vegibit.com/how-to-use-type-and-isinstance-in-python/)
+29. [Basic Python Inheritance](https://vegibit.com/basic-python-inheritance/)
diff --git a/inheritance.py b/inheritance.py
@@ -0,0 +1,128 @@
+# A Python Class
+class Superclass():
+    def __init__(self, color, height, width):
+        self.height = height
+        self.color = color
+        self.width = width
+
+    def does_stuff(self):
+        print('This method does stuff')
+
+
+# Inheriting From A Superclass
+class Subclass(Superclass):
+    pass
+
+
+obj1 = Subclass('Red', '5 feet', 100)
+
+# The Child Has Now Inherited Attributes And Methods
+print(type(obj1))
+# <class '__main__.Subclass'>
+
+print(isinstance(obj1, Subclass))
+# True
+
+print(obj1.color)
+# Red
+
+print(obj1.height)
+# 5 feet
+
+print(obj1.width)
+# 100
+
+obj1.does_stuff()
+
+
+# This method does stuff
+
+
+# Classes Without Inheritance
+class Inputdevice:
+    def __init__(self, devicetype, inputconnector, bluetooth, manufacturer):
+        self.devicetype = devicetype
+        self.manufacturer = manufacturer
+        self.inputconnector = inputconnector
+        self.bluetooth = bluetooth
+
+
+class Outputdevice:
+    def __init__(self, devicetype, connector, manufacturer, outrate):
+        self.devicetype = devicetype
+        self.manufacturer = manufacturer
+        self.outrate = outrate
+        self.connector = connector
+
+
+class IODevice:
+    def __init__(self, devicetype, connector, manufacturer, outrate):
+        self.devicetype = devicetype
+        self.manufacturer = manufacturer
+        self.outrate = outrate
+        self.connector = connector
+
+
+input1 = Inputdevice("Keyboard", "usb", True, "Lenovo")
+io1 = IODevice("Flash Drive", "usb", "Sandisk", "35MB ps")
+output1 = Outputdevice("Monitor", "HDMI", "Samsung", "18Gbps")
+
+print("This device has a " + input1.inputconnector + " connector")
+# This device has a usb connector
+
+print(io1.manufacturer + " is the device manufacturer")
+# Sandisk is the device manufacturer
+
+print(input1.manufacturer + " " + input1.devicetype)
+# Lenovo Keyboard
+
+print(output1.manufacturer + " " + output1.devicetype)
+# Samsung Monitor
+
+
+# Rewriting Classes With Inheritance
+class Peripheral:
+    def __init__(self, devicetype, manufacturer):
+        self.devicetype = devicetype
+        self.manufacturer = manufacturer
+
+
+class Outputperipheral(Peripheral):
+    def __init__(self, devicetype, manufacturer, connector, outrate):
+        super().__init__(devicetype, manufacturer)
+        self.outrate = outrate
+        self.connector = connector
+
+
+class Inputdevice(Peripheral):
+    def __init__(self, devicetype, inputconnector, bluetooth, manufacturer):
+        super().__init__(devicetype, manufacturer)
+        self.inputconnector = inputconnector
+        self.bluetooth = bluetooth
+
+
+class Outputdevice(Outputperipheral):
+    def __init__(self, devicetype, connector, manufacturer, outrate):
+        super().__init__(devicetype, manufacturer, connector, outrate)
+
+
+class IODevice(Outputperipheral):
+    def __init__(self, devicetype, connector, manufacturer, outrate):
+        super().__init__(devicetype, manufacturer, connector, outrate)
+
+
+input1 = Inputdevice("Keyboard", "usb", True, "Lenovo")
+io1 = IODevice("Flash Drive", "usb", "Sandisk", "35MB ps")
+output1 = Outputdevice("Monitor", "HDMI", "Samsung", "18Gbps")
+
+print("This device has a " + input1.inputconnector + " connector")
+# This device has a usb connector
+
+print(io1.manufacturer + " is the device manufacturer")
+# Sandisk is the device manufacturer
+
+print(input1.manufacturer + " " + input1.devicetype)
+# Lenovo Keyboard
+
+print(output1.manufacturer + " " + output1.devicetype)
+# Samsung Monitor
