How-to articles, tricks, and solutions about PYTHON

You can use the join() method to convert a list of strings to a single string.

In Python, you can use the bool() function to convert a string to a boolean.

There are several common formats for Python docstrings, including:

You can use the sort method of a list and pass in a key argument, which is a function that takes an object and returns the value on which you want to sort the list.

Lists and tuples are both used to store multiple items in a single variable, but they are different in a few key ways.

__slots__ is a way to specify a fixed set of attributes for a class, which can help to save memory in certain situations.

In Python, you can use the set() function to get the unique values from a list.

In Python, you can represent an Enum (enumeration) by using the enum module or by creating a class that inherits from enum.Enum.

You can use the xml library in Python to parse XML and get instances of a particular node attribute.

The os.path module in Python provides a cross-platform way to get the home directory.

"Named tuples" in Python are a subclass of the built-in tuple type, but with the added ability to access elements by name rather than just by index.

You can use the pytest.raises function to test that a Python function throws an exception.

You should include a shebang (#!) in Python scripts if you want the script to be directly executable from the command line.

To import a Python file, you can use the import statement.

Yes, you can use the remove() method to delete a list element by its value.

To install a Python package with a .whl file, you can use the pip command.

You can remove all whitespace in a string in Python by using the replace() method and replacing all whitespace characters with an empty string.

In a Flask application, you can access the data received in a request using the request object.

Here is an example of a workflow for handling large data using the pandas library:

You can use the set data type to find the difference between two lists with unique entries.

del: The del keyword is used to remove an item from a list by its index.

The fastest way to check if a value exists in a list is to use the in operator.

You can use the pip module to get a list of locally installed Python modules.

In Python, you can use the .strip() method to remove leading and trailing whitespace from a string.

You can use the zip() function to iterate through two lists in parallel.