how to install python 3 code example

Example 1: mac os install python 3

brew install python3

Example 2: install python 3.6

conda create -n myenv python=3.6 #to launch in Anaconda

Example 3: install python3

echo This is for linux. (debian/unbuntu)
sudo apt install build-essential zlib1g-dev libncurses5-dev libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev wget
curl -O https://www.python.org/ftp/python/3.7.4/Python-3.7.4.tar.xz
tar -xf Python-3.7.4.tar.xz
cd Python-3.7.4
./configure --enable-optimizations
make
sudo make altinstall
python3.7 --version
cd ../

Example 4: pip install python 3

You cannot just pip install python3 because it is not a library.

If you want to install the latest python3:
https://www.python.org/ftp/python/3.8.2/python-3.8.2.exe

Example 5: python 3 download

# https://www.python.org/ftp/python/3.8.2/python-3.8.2.exe

Example 6: install python 3

# Download and Install python from https://www.python.org/downloads
# Try to get the latest version of Python, and please avoid using python 2.x unless you have a reason to.