Create a `.gitignore` file and add files code example

Example 1: how to generate gitignore file

echo "
bin/**
lib/**
pyvenv.cfg
**.pyc
"  > .gitignore
cat .gitignore

Example 2: create gitignore files

#Linux
$ touch .gitignore

#Windows
cd c:\<your path>
notepad .gitignore
#Accept the prompt to create the file, edit the contents accordingly, save and close.