The Python filter function is a built-in way of filtering an iterable, such as a list, tuple, or dictionary, to include only items that meet a condition. In this tutorial, you’ll learn how to use the filter() function to filter items that meet a condition. You’ll learn how to use the function to filter lists, […]
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In this tutorial, you’ll learn how to use the Python enumerate function to improve your Python for loops. The Python enumerate() function allows you to loop over an iterable object, such as lists or dictionaries while accessing the item’s index position. The enumerate() function lets you write significantly cleaner Python for-loops. By the end of
Python enumerate: Python Looping with Index Counters Read More »
In this tutorial, you’ll learn how to use Python to get the current date and time. Being able to work with current dates and times is an important skill in many different aspects in Python. For example, being able to get the current date and time can be helpful when logging information about your program.
Get the Current Date and Time in Python Read More »
In this tutorial, you’ll learn how to resize an image in Python using the Pillow library. You’ll learn how to resize individual images and multiple images in bulk. You’ll also learn how to specify a percentage to scale by, a maximum width, and a maximum height. By the end of this tutorial, you’ll have learned:
How to Resize Images in Python using Pillow Read More »
In this tutorial, you’ll learn how to use Python to sort a list using the sort() method. Being able to work with lists is an essential skill in Python, given their prevalence. Because lists are ordered and mutable data structures, we can modify their order. The list.sort() method allows you to do exactly this! The method is a valuable method
Python List sort(): An In-Depth Guide to Sorting Lists Read More »
In this tutorial, you’ll learn how to use Python to count the number of words and word frequencies in both a string and a text file. Being able to count words and word frequencies is a useful skill. For example, knowing how to do this can be important in text classification machine learning algorithms. By
Python: Count Words in a String or File Read More »
In this tutorial, you’ll learn how the Python isinstance function works and how it can be used in your Python programming. The Python isinstance() function allows you to check if an object belongs to a particular data type or class. Further, it lets you work with a selecting of different classes. By the end of
Python isinstance() Function Explained with Examples Read More »
In this tutorial, you’ll learn how to use the Python list extend method, which lets you append multiple items to a list. The Python .extend() method is very similar to the Python .append() method, but lets you add multiple elements to a list at once. You’ll learn how to use the Python extend method to
Python List Extend: Append Multiple Items to a List Read More »
In this tutorial, you’ll learn how to check your Python version in Windows, macOS, and Linux. You’ll learn how to check the version of Python using the command line and within a Python script itself. You’ll learn how to get the version number of the interpreter that your scripts will use. Knowing how to do
How to Check Your Python Version (Windows, macOS, Linux) Read More »
In this tutorial, you’ll learn about Python nested dictionaries – dictionaries that are the values of another dictionary. You’ll learn how to create nested dictionaries, access their elements, modify them and more. You’ll also learn how to work with nested dictionaries to convert them to a Pandas DataFrame. By the end of this tutorial, you’ll
Python Nested Dictionary: Complete Guide Read More »
In this tutorial, you’ll learn how to read a text file in Python with the open function. Learning how to safely open, read, and close text files is an important skill to learn as you begin working with different types of files. In this tutorial, you’ll learn how to use context managers to safely and
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In this tutorial, you’ll learn how to use Python and Pandas to read Excel files using the Pandas read_excel function. Excel files are everywhere – and while they may not be the ideal data type for many data scientists, knowing how to work with them is an essential skill. By the end of this tutorial,
How to Use Pandas to Read Excel Files in Python Read More »
