Before working with Polars, we must ensure the correct version of Polars is installed on our system. We can check if the correct Polars version is installed in the following ways:
Using the pip3 show command
Using the __version__ attribute
pip3 show commandLet’s look at how to check the currently installed version of Polars using the pip3 show command.
pip3 install polars
pip3 show polars
__version__ attributeLet’s look at how to check the currently installed version of Polars using the __version__ attribute.
python3
import polars as pl
print(pl.__version__)
exit()
Run any of the methods listed above in the terminal below to check the installed Polars version.
Note: We’ve already installed Python in the terminal below. Execute the command
python3 --versionto check the Python version.
Unlock your potential: Polars in Python series, all in one place!
To continue your exploration of Polars, check out our series of Answers below:
How to scale and normalize data in Python using Polars
Learn how to transform raw data using Python's Polars library to scale it (0-1) and normalize it (mean 0, std 1).
What is DataFrame.clear function in Polars Python?
Learn how to use Polars' DataFrame.clear() to create a null-filled copy, either empty if n=0 or with n null rows.
How to reverse a DataFrame in Polars Python?
Learn how to use Polars, a Rust-based DataFrame library for Python, which offers a reverse() function to efficiently revert DataFrame rows, providing an alternative to pandas.
How to rename the column names in Polars Python?
Learn how to use Polars' rename() function to efficiently rename DataFrame columns using key-value pairs, enhancing data management and processing.
What is Polars library in Python?
Learn how Polars, a fast DataFrame library in Rust for Python, offers high-performance data manipulation and analysis similar to Pandas.
How to concatenate two Dataframes in Polars Python
Learn how Polars, leveraging Rust, offers efficient DataFrame concatenation in Python with the concat() method.
How to perform a transpose of a Python Polars DataFrame
Learn how to use Polars' DataFrame.transpose() to efficiently transpose DataFrames, with options for including headers and custom column names, enhancing data manipulation capabilities.
How to check the polars version in Python
Learn how to ensure the correct Polars version by using pip3 show polars or by printing pl.__version__ in Python.
What is DataFrame.update function in Polars Python?
Learn how to use the update() function in Polars to merge two DataFrames, updating the target with non-null values from the source, and supporting various join strategies.
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