install python on ubuntu

# first do:
sudo apt-get update
# after do:
sudo apt-get install python3.6
# then it should be installed

#First enter the following command to the terminal
@pip3 --version
# after that
@if it doesnt give a result like pip 20.0.2 from /usr/lib/python3/dist-packages/pip (python 3.8)
# enter the following commands
sudo apt install python3-pip
sudo apt install python3-pip3
#Thats all
#Ranuga D

sudo apt-get install python3.7

sudo apt install python3.8

sudo apt install software-properties-common