Home Backend Development Python Tutorial Installation tutorial of pip in Python: easily done in one minute

Installation tutorial of pip in Python: easily done in one minute

Jan 17, 2024 am 08:50 AM
python pip Install.

Installation tutorial of pip in Python: easily done in one minute

Do it in one minute: The installation steps of pip in Python require specific code examples

With the widespread application of Python, more and more people are starting to use Python. development and data analysis. During the Python development process, installing third-party libraries is a common requirement, and pip is the most commonly used third-party library management tool in Python. This article will explain how to install pip in Python and provide specific code examples.

1. What is pip?

pip is a package management tool for Python, which is used to install, uninstall and manage Python packages. pip can automatically parse package dependencies and download and install the required packages. Using pip, you can easily install and upgrade packages from the official Python repository as well as other third-party libraries.

2. The pip installation method in Python 2 and Python 3

The pip installation method between Python 2 and Python 3 is slightly different. The following will introduce the installation steps and code examples in the two cases.

  1. Installing pip in Python 2

In Python 2, pip is usually not installed by default. You need to install pip manually by following the steps below.

Step 1: Open the terminal (Windows users can open the command prompt)

Step 2: Enter the following command to download the get-pip.py script.

$ curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py
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Step 3: Enter the following command to run the get-pip.py script to install pip.

$ python get-pip.py
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  1. Installing pip in Python 3

In Python 3, pip is usually installed by default. You can confirm and update pip by following the steps below.

Step 1: Open the terminal (Windows users can open the command prompt)

Step 2: Enter the following command to check the version information of pip.

$ pip --version
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If the version information of pip is displayed, it means that pip has been installed successfully.

Step 3: If the pip version is older, you can upgrade pip through the following command.

$ python -m pip install --upgrade pip
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3. Verify whether pip is installed successfully

After installing pip, you can use the following command to verify whether pip is installed successfully.

$ pip --version
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If the version information of pip is successfully displayed, it means that pip has been installed successfully.

4. Use pip to install the Python package

After installing pip, you can use pip to install the Python package. The following is a code example for installing the package.

Step 1: Open the terminal (Windows users can open the command prompt)

Step 2: Enter the following command in the terminal to install the package. Here we take installing the numpy package as an example.

$ pip install numpy
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Step 3: Wait for the installation to complete. Once installed, you can import this package in your Python code.

>>> import numpy
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In this way, you have successfully installed the third-party package using pip.

Summary:

This article introduces the steps to install pip in Python and provides specific code examples. I hope these simple and clear instructions can help you install and use pip smoothly, so that you can easily manage and use third-party packages. Let’s enjoy Python programming together!

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