A package is a piece of software that provides particular features while programming. A package contains all the resources which a module requires. Modules are sets of Python code that we can add to our project. Python
pip is the package manager for Python packages.
pip comes pre-installed on 3.4 or older versions of Python,
pip commands are used in the command prompt.
The basic syntax of
pip commands in command prompt is:
Some of the most commonly used
pip commands are:
- Check pip version: We can check the pip version in our system by using the below command.
- Install packages: We can install additional packages by using the below command.
<pip install numpy
Example 1: When the required package is not installed.
Example 2: When the required package is already installed.
We can also install the package of a specific version.
pip install package_name==version
- Display package information: We can use the below command to display the details of a particular package.
pip show numpy
- List installed packages: The below command displays a list of packages installed in the system.
- Uninstall packages: The below command uninstall a particular existing package.
pip uninstall numpy
- Search packages: We can search for a particular existing package using pip.
pip search numpy
- Using requirement files: Checks if a required package is present in the system, if not then they are installed. Suppose
requirements.txthas the below contents:
pip install -r requirements.txt
- Listing additional packages: The
freezecommand is used to list packages that don’t come pre-installed with Python.
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