Python can be used to automate various tasks, and sometimes these tasks involve interacting with the underlying operating system.
This verification is essential for ensuring that the subsequent operations or functions are appropriate for the data structure at hand.
Python 3.8 and earlier require importing `Tuple` from the `typing` module. Python 3.9+ allows using `tuple` directly without importing.
You can use the % operator, format method, or f-strings to perform string interpolation, which is inserting values into a string in Python.
This is a common error in Python that occurs when you try to use a variable that has not been assigned a value in the local scope of a function.
A substring is a contiguous sequence of characters within a string. Python provides several ways to check for substrings within a larger string.