pip install requirements.txt

pip install -r requirements.txt$ pip install -r requirements.txtpip3 install -r requirements.txtpip3 install -r requirements.txt note: yor should be on the same dir as requirements.txt file 

pip install -r requirements.txt## 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