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.
While writing Python code you might have seen the “str object is not callable” error. What does it mean and how can you fix it? Python raises the error ‘str’ object is not callable when on the line of code specified by the error you use a string variable like a function. You call a … Read more
Do you want to use a nested list in Python but don’t know where to start? This tutorial will show you how to start using nested lists. Python, a versatile and beginner-friendly programming language, offers a wide range of data structures to help you organize and manipulate data in your programs effectively and nested lists … Read more
Being able to add items to a list is a routine task for Python developers. Learn multiple ways to do that so you can write programs faster. Python provides multiple ways to add an item to a list. Traditional ways are the append(), extend(), and insert() methods. The best method to choose depends on two … Read more
At some point in your career as a developer, you will need to apply a function to a list in Python. What options do you have to do that? Python provides multiple ways to apply a function to all the elements in a list. The most basic one is using a for loop that applies … Read more
Knowing how to unpack a list in Python can make your code cleaner and more concise. In this tutorial, you will learn to use unpacking in your Python programs. When you unpack a list in Python you assign the elements of a list to multiple variables in a single statement. Ideally, the number of variables … Read more
Are you seeing the error “TypeError ‘int’ object is not iterable” while running a Python program? This tutorial will show you how to fix it. Python raises the TypeError ‘int’ object is not iterable when you try to access a variable of type integer as an iterable. One scenario in which this might happen is … Read more
Have you seen the TypeError: ‘list’ object is not an iterator when executing your Python program? Learn why and how to fix it. The reason why you see the error “TypeError: ‘list’ object is not an iterator” when running a Python program is that you are using a list as if it was an iterator. … Read more
Are you trying to get the last element in a Python list? You are in the right place. There are multiple ways to get the last element in a Python list. There are two approaches that use indexes: the first with the negative index -1 and the second with the last index of the list. … Read more
When looking at a Python program written by a colleague of mine I noticed that they used join(). What does join() do in Python? The join() method is one of the methods provided by the string data type in Python. The join method allows generating a string from the elements of an iterable (e.g. a … Read more
Python is a programming language that is both versatile and powerful. Knowing how to iterate through a dictionary in Python is essential for every Python developer. The dictionary data type, which is a collection of key-value pairs, can be iterated over to change and extract information. Python dictionaries provide multiple methods to iterate through their … Read more