Learn to Code. Shape Your Future
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This blog is here to teach programming in a practical and effective way that will give you the confidence to make even a bigger difference in your current job, to look for your dream job or to build your own dream project.
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
The tail command is a very useful Linux command when working with files. Do you want to know how to use it at its best? Keep reading 🙂 The Linux tail command allows to see the last lines of a text file in Linux. A scenario in which this can be extremely useful is when … Read more
You might have seen a Python recursion error when running your Python code. Why does this happen? Is there a way to fix this error? A Python RecursionError exception is raised when the execution of your program exceeds the recursion limit of the Python interpreter. Two ways to address this exception are increasing the Python … Read more
The next() function is useful when working with iterators and it’s a must-know for Python developers. The Python next() function takes as the first argument an iterator and as an optional argument a default value. Every time next() is called it returns the next item in the iterator until no items are left. At that point the next … Read more
Knowing how to write a unit test in Python is critical for developers. Just writing your application code is not enough, writing tests is a must. Unit tests allow you to test self-contained units of your code independently from each other. Python provides the unittest framework that helps write unit tests following a pre-defined format. … Read more
In this tutorial we will create a stack in Python step-by-step. The stack is a LIFO (Last-in First-out) data structure. To create a stack in Python you can use a class with a single attribute of type list. The elements of the stack are stored in the list using the push method and are retrieved … Read more
A simple approach to check if a Python string contains a number is to verify every character in the string using the string isdigit() method. Once that’s done we get a list of booleans and if any of its elements is True that means the string contains at least one number. There are multiple ways … Read more