Answers for "install pip in python3"

install pip3

sudo apt install python3-pip

how to install pip

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
#Once you do that, enter line 3 inside
python get-pip.py

install pip3

Installation
Step 1 - Update system
$$$ sudo apt-get update

Step 2 - Install pip3
$$$ sudo apt-get -y install python3-pip

Step 3 - Verification
$$$ pip3 --version

install packages with pip from python

pip3 install <package_name>