Summary: The type() function and the __class__ property enables us to determine the type of a Python variable. Problem Statement: Determining the type of a variable in Python. Determining the data type of a variable plays a vital role in programming. Every variable is capable of storing different types of data, and each type has … Read more
Learn how to refer to the Null object in Python?
Introduction Problem Statement: How to find the full path of the currently running Python interpreter? There are different ways to find the full path of Python interpreters. But first, let’s get the basics out of our way before we unearth the solution to our problem statement. So, what’s a Python Interpreter? This might be a … Read more
In computer science, an array data structure consists of a collection of elements—usually of the same type such as integer or string. Each element is identified by an array index. Arrays are designed to allow extremely efficient access of individual elements by index: runtime complexity is constant with growing array size! The reason is that … Read more
Summary: One of the following methods can be used to check if a list is empty :- Method 1: Using isinstance() With any() Method 2: Using isinstance() And len() Methods Within For Loop Problem: Given a list; how to check if it is nested or not? Considering that you have a list such that it is nested at … Read more
Summary: Use the global keyword to declare a global variable inside the local scope of a function so that it can be modified or used outside the function as well. To use global variables across modules create a special configuration module and import the module into our main program. The module is available as a … Read more
Wouldn’t reading code be much easier if the author constantly shared their thoughts with you? Commenting is good practice in Python because it helps others (and your future self) understanding your code much better. Writing commented code makes you more productive in the long term! There are two types of comments: one-line comments and multi-line … Read more
Summary: The key differences between raw_input() and input() functions are the following: raw_input() can be used only in Python 2.x and is obsolete in Python 3.x and above and has been renamed input() In Python 2.x, raw_input() returns a string whereas input() returns result of an evaluation. While in Python 3.x input() returns a string … Read more
Summary: To resolve an UnboundLocalError when the local variable is reassigned after the first use, you can either use the global keyword or the nonlocal keyword. The global keyword allows you to modify the values of a global variable from within a function’s local scope while the nonlocal keyword provides similar functionality in case of … Read more