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Tkinter GUI Programming by Example
book

Tkinter GUI Programming by Example

by David Love
April 2018
Beginner content levelBeginner
340 pages
7h 54m
English
Packt Publishing
Content preview from Tkinter GUI Programming by Example

Instances

An instance is one particular implementation of a class. Each separate instance of the same class can be completely independent from the others, or they can share attributes if the need arises.

Python uses a method called __init__ in order to initialize each instance of a class. This method can be used to set initial variables which differ between instances.

The easiest way to wrap your head around using classes is to see an example:

class Dog:    def __init__(self, name):        self.name = name    def speak(self):        print("Woof! My name is", self.name)

This code gives us a class called Dog. The _init_ function of Dog takes two arguments: self and name.

The methods of a class require the first argument to be self in order to give them access ...

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Publisher Resources

ISBN: 9781788627481Supplemental Content