Learn to Code. Shape Your Future
Use this cheatsheet to find out the meaning of a given chmod command. Understand how each command translates into filesystem permissions. The chmod command is used to set permissions for files and directories in a Linux system. It supports an octal permission format that is translated into read (r), write (w) and execute (x) permissions … Read more
The tuple is a basic Python data type. It’s important to understand it and to know how to use it. This tutorial will help you with that. Python tuples are used to store an ordered sequence of values. Tuples are immutable, this means that the values in a tuple cannot be changed once the tuple … Read more
If you haven’t used the Python zip() function yet this is an opportunity to look at how it works and how you can use it in your programs. The Python zip() function takes as input multiple iterables and returns an iterator of tuples where the n-th tuple contains the n-th element from every iterable. The … Read more
Printing even and odd numbers from a Python list is a good exercise if you are getting started with Python and you want to learn its basics. To extract even and odd numbers from a Python list you can use a for loop and the Python modulo operator. A second option is to replace the … Read more
In your Python program you might want to validate an IP address. This can be a requirement if you write OS level programs and not only. To validate an IP address using Python you can use the ip_address() function of the ipaddress module. This works both for IPv4 and IPv6 addresses. You can also validate … Read more
Getting every other element from a Python list might seem easy to do but it actually requires some knowledge of Python basics. To get every other element in a Python list you can use the slice operator and use the fact that this operator allows to provide a step argument (with its extended syntax). Another … Read more
Are you wondering how to remove spaces from a string in Python? You are in the right place, keep reading, and you will know how to do it quickly. There are multiple ways to remove spaces from a Python string. The simplest approach is to use the string replace() method. If the spaces to remove … Read more
Knowing how to reverse a Python string is a common thing you might have to do as a Python developer. It could also help you in coding interviews. Python does not provide a built-in function to reverse the characters in a string. To reverse a string in Python you can use the slice operator with … Read more
Do you know how to check if two strings are anagrams of each other in Python? It’s a common problem and there are multiple ways to solve it. Two strings are anagrams of each other if they both contain the same characters and each character is present in each string the same number of times. … Read more
Python’s reduce function is one of those topics you encounter the more you code in Python. It might sound complex, but is that really the case? The Python reduce function applies a function of two arguments to the items of an iterable and it returns a single value. The function is applied to two items … Read more
