How to install pip3 in Python3

How to install pip3 in Python3

In Python, pip is a commonly used package management tool for installing, upgrading and managing various Python packages. . However, in Python3, pip is installed by default instead of pip3. Therefore, if you need to use pip instead of pip2 with Python3, you need to install pip3. The following is how to install pip3 in Python3, as well as specific code examples.

Step 1: Confirm that Python3 is installed

First, make sure you have Python3 installed on your computer. You can check your Python version by entering the following command on the command line interface:

python --version

If the output is information similar to "Python 3.x.x", it means that you have installed Python3.

Step 2: Confirm whether pip has been installed

Next, you need to check whether pip has been installed on your system. Enter the following command in the command line interface:

pip --version

If the output is information similar to "pip x.x.x from...", it means that pip has been installed on your computer.

Step 3: Install setuptools

Before installing pip3, you need to ensure that setuptools has been installed. setuptools is a library for Python that provides a way to simplify the installation and distribution of software packages. You can install setuptools by entering the following command in the command line interface:

python -m ensurepip --upgrade

Note: If you are using Python under a Linux or Mac operating system and do not have administrator rights, you may need to precede the command withsudoCommand.

Step 4: Install pip3

Next, you can install pip3 by downloading and running the get-pip.py file. Enter the following command in the command line interface:

curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py

Alternatively, if you are using a Windows operating system, you can open the following link in the browser and manually download the get-pip.py file:

https://bootstrap.pypa.io/get-pip.py

After the download is completed, enter the directory where get-pip.py is located in the command line interface, and enter the following command to install pip3:

python get-pip.py

Step 5: Verify that pip3 is installed successfully

Finally, you can enter the following command again to verify whether pip3 has been successfully installed:

pip3 --version

If the output is similar to " pip 20.x.x from..." message, indicating that pip3 has been successfully installed.

Summary

Through the above steps, you can install pip3 in Python3. Before installing, make sure you have Python3 installed and check if pip is installed on your system. Then, follow the above steps step by step, and finally verify whether pip3 is successfully installed.

I hope this article will help you understand how to install pip3 in Python3!

The above is the detailed content of How to install pip3 in Python3. For more information, please follow other related articles on the PHP Chinese website!