install all python packages code example

Example 1: python pip install

## To install Pip, first download get-pip.py from:
https://bootstrap.pypa.io/get-pip.py
  
## Then run the following command in the command line
## in the folder where the file has been saved.
python get-pip.py

Example 2: how to install modules in python

# In cmd.exe type:     
pip install #module_name

Example 3: install packages with pip from python

pip3 install <package_name>

Example 4: pip upgrade python

pip freeze | %{$_.split('==')[0]} | %{pip install --upgrade $_}