Python Tutorials
Python provides different methods and ways in order to check if a directory exists. Generally, the os.path module is used to check the specified directory if it exists. In this tutorial, we examine all Python methods to check directory existence. Check If Directory Exists with os.path.exists() Method Python provides os.path for different operating-related methods. The … Read more
Python provides the set type in order to implement mathematical sets. The set contains single or multiple items where every item is unique. Like mathematical sets, the union operation can be executed for two or more sets. The union() method of the set is used for union operation. In this tutorial, we examine how to … Read more
Python list is used to store multiple elements in a single variable. These items can be in different types like string, integer, etc. Sometimes we may want to sort them accordingly. We can sort them in ascending or descending ways by using the sort() provided by the list type. Order String List Ascending By default, … Read more
JSON is a very popular data structure used to store information in a human-readable and simple format. The long form for the JSON is the JavaScript Object Notation. The JSON format is generally used to store and transfer data between different systems and applications. As a popular programming language Python supports JSON. The Python Dictionary … Read more
Python provides the sorted() function in order to build a new list from provided iterable. We can sort provided iterable in reverse too. The iterable can be a list, string, tuple, or dictionary. In this tutorial we examine different examples of the reverse sort for the string, list, tuple, dictionary event nested list. sorted() Syntax … Read more
Python is a popular programming language that does not support the array natively. But Python provides a very similar type named List . If you need to create an array-like structure to store multiple items you can use the List. In this tutorial, we will call the list an array as it is very similar … Read more
Python provides different types like string. The str() function is used to convert provided types like integer, float, etc into the string type. If the str is also used as a variable or object name and we try to call the str() function we may get the “TypeError: ‘str’ object is not callable” error like … Read more
Python provides the type() function in order to return class or object type. The object or variable is provided as a parameter to the type() function. The type() function is mainly used to debug applications and scripts to check different types or compare different objects or variable types with each other. type() Function Syntax The … Read more
Python provides the sum() function in order to sum multiple items or multiple variables or list items in an easy way. The sum() function is very similar to the Microsoft Excel SUM() macro. In this tutorial, we examine how to sum up these different scenarios. sum() Function Syntax The sum() function syntax is like below … Read more
Python list contains single or multiple items. While working with these list items we may need to check if the list contains a specified item or value. There are different operators in order to check if the list contains a specified item or value. Check If Items Exist In List Using in Operator The in … Read more