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If python fails to install in Git bash. https://stackoverflow.com/questions/32597209/python-not-working-in-the-command-line-of-git-bash This can be accomplished from git bash like so: echo "alias python='winpty python.exe'" >> ~/.bashrc which will create  .bashrc  in the current users home directory if the file doesn't exist or append the alias to the end of  .bashrc  if it does. Ubuntu 18 keyboard issue related to deleting the characters: https://askubuntu.com/questions/755115/holding-backspace-deletes-only-one-character

How Internet works: https://www.youtube.com/watch?v=x3c1ih2NJEg

So the first thing you need to know about classes is the difference between a class and an instance of a class. A class is like a blueprint, it tells you about some thing you want to make. An instance is the thing that gets made. For example, if you write up a blueprint for an airplane, the blueprint is like when you define a class. The airplanes that get made from that blueprint are like instances of a class. Defining a class looks like this: class Airplane: pass (Normally you would have some more code instead of  pass . I'll explain that later.) Now once you define a class you can create instances of a class like this,  Airplane() . For example, airplane1 = Airplane() airplane2 = Airplane() Here we created two instances of the Airplane class and put them in the variables  airplane1  and  airplane2 . The important thing here is that you can change  airplane1  without affecting  airplane2 . They're two separate instances. Oka...

Python Some important and good youtube links. ----------------------------------------------------------- Search for the below channels in youtube: -------------------------------------------------- .  Indian Pythonista . Aaron Jack

Object oriented programming: ------------------------------ >> In OOP class and objects are the main aspects. >> Collection of data and its functionality is nothing but an OBJECT. >> We can combine data and its functionality and we can wrap it inside something called as       OBJECT. What is Self: --------------- >> "self" helps in differentiate b.w Instance Variable and Local Variable. >> Instance variable is nothing but a variable which belongs to an object. >> self refers to the object of the class itself. . if x is not None and x . foo == 42 : >> This would not work correctly with the bitwise & operator because both sides would always be evaluated, giving AttributeError: 'NoneType' object has no attribute 'foo' . >> When you use the boolean and operator the second expression is not evaluated when the first is False. >> Similarly or does not evaluate the second argum...

. Things disappear when no one is looking at them.