In this tutorial, you’ll learn how to use the built-in Python map() function. This function allows you to process and transform, or “map”, items in an iterable without needing to use a loop to iterate. The function allows you to write incredibly readable code, which specifies the intention of what you’re doing. By the end […]
Python map Function: Transforming Iterables without Loops Read More »
In this tutorial, you’ll learn how to generate a zero matrix using the NumPy zeros function. Zero arrays and matrices have special purposes in machine learning. Being able to create them efficiently will allow you to become more capable in linear algebra and machine learning. By the end of this tutorial, you’ll have learned: Why
NumPy Zeros: Create Zero Arrays and Matrix in NumPy Read More »
In this tutorial, you’ll learn how to create a decision tree classifier using Sklearn and Python. Decision trees are an intuitive supervised machine learning algorithm that allows you to classify data with high degrees of accuracy. In this tutorial, you’ll learn how the algorithm works, how to choose different parameters for your model, how to
Decision Tree Classifier with Sklearn in Python Read More »
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,
Python filter: A Complete Guide to Filtering Iterables Read More »
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 »
