How to Install Python on Windows
Learn how to install Python on Windows. This guide covers downloading Python, setting up PATH, verifying installation, and running your first script.
NumPy sqrt() – Square Root of Matrix Elements
URL: https://www.progressiverobot.com/numpy-sqrt-square-root-of-matrix-elements/ [Python NumPy module](/community/tutorials/python-numpy-tutorial) is used to work with multidimensional arrays and matrix manipulations. We can use NumPy sqrt() function to get the square root of the matrix elements. Python NumPy sqrt() Example import numpy array_2d = numpy.array([[1, 4], [9, 16]], dtype=numpy.float) print(array_2d) array_2d_sqrt = numpy.sqrt(array_2d) print(array_2d_sqrt) Output: [[ 1. 4.] [ 9. 16.]] […]
Permutations and Combinations in Python
URL: https://www.progressiverobot.com/permutation-and-combinatios-in-python/ Permutations and Combinations of a set of elements are different arrangements of the elements of the set. Combination is a collection of the elements where the order doesn't matter Permutation is an arrangement of a set where the order does matter. Let's consider a set as : {A, B, C} The permutations of the above […]
How to Add Elements to a List in Python – Append, Insert & Extend
Learn how to add elements to a list in Python using append(), insert(), extend(). Compare performance, avoid common mistakes with this guide.
Python f-strings – PEP 498 – Literal String Interpolation
URL: https://www.progressiverobot.com/python-f-strings-literal-string-interpolation/ Python f-strings or formatted strings are the new way to format strings. This feature was introduced in Python 3.6 under PEP-498. It's also called literal string interpolation. Why do we need f-strings? Python provides various ways to format a string. Let's quickly look at them and what are the issues they have. % […]
Python main function
URL: https://www.progressiverobot.com/python-main-function/ Python main function is executed only when it's being executed as a python program. As you know, we can also [import](/community/tutorials/python-input-output-python-import) a python program as a module, in that case python main method should not execute. Python main function Main function is the entry point of any program. But python interpreter executes the […]
How to Read Properties File in Python?
URL: https://www.progressiverobot.com/python-read-properties-file/ We can use jproperties module to read properties file in Python. A properties file contains key-value pairs in each line. The equals (=) works as the delimiter between the key and value. A line that starts with # is treated as a comment. Installing jproperties Library This module is not part of the […]
Python String contains
Learn how to check if one Python string contains another using the __contains__() method. This case-sensitive instance method returns True or False based on whether the specified substring is present. Explore simple examples and user-input scenarios to understand its application. Enhance your Python string-handling skills with practical demonstrations and clear explanations.
How To Trim Whitespace from a String in Python
URL: https://www.progressiverobot.com/python-trim-string-rstrip-lstrip-strip/ Introduction Python provides three methods that you can use to trim whitespace from a string and return a new string object. The string strip methods can trim leading whitespace, trailing whitespace, or both. To learn more about removing whitespace, including how to remove all whitespace or only duplicate spaces, refer to How To […]
Seaborn Kdeplot – A Comprehensive Guide
URL: https://www.progressiverobot.com/seaborn-kdeplot/ Hey, folks! In our Seaborn tutorial, we will be focusing on Seaborn Kdeplot. What is Kdeplot? Kdeplot is a Kernel Distribution Estimation Plot which depicts the probability density function of the continuous or non-parametric data variables i.e. we can plot for the univariate or multiple variables altogether. Using the Python Seaborn module, we […]
