In Python, the % sign is commonly used in three cases: Modulo calculation. For example, 5 % 3 returns 2. Old-school string formatting. For example, “I am %d years old” % 25 returns “I am 25 years old”. “Magic” commands in IPython shell. For example, In [2]: %recall executes the previous command. 1. Modulo in …
A Python function that takes **kwargs as an argument accepts any number of keyword arguments. For example: Now you can call the function with any number of keyword arguments: To deeper understand args and kwargs in Python, keep on reading. Arguments in Python Before learning what keyword arguments are, it’s worthwhile to have a look …
Python kwargs: A Complete Guide to the ** Operator (Examples) Read More »
To get a random number in Python, use the randint() function from the random module. For example, let’s generate a random integer between 1 and 100: Output: To generate a random float, use the uniform function from the random module: Output: These are the two basic use cases you are going to need. Let’s go …
In Python, a tuple stores a group of values—very similar to lists. A tuple is an immutable collection of values. This means adding, removing, or updating values is not possible after creation. Use tuples if you want to create a group of values that will never change. To create a tuple in Python, separate values …
Python Tuple: A Complete Guide (What Is Tuple? How to Use It?) Read More »
Python continue statement is one of the loop statements that control the flow of the loop. More specifically, the continue statement skips the “rest of the loop” and jumps into the beginning of the next iteration. Unlike the break statement, the continue does not exit the loop. For example, to print the odd numbers, use …
Python ‘continue’ Statement—A Complete Guide (with Examples) Read More »
In almost every Python program, you are dealing with functions that take input, perform an action, and spit out an output. More often than not, it can be useful to include a default argument value in a function. If an input argument isn’t provided, the default value is used instead. And if the input value …
Python Default Arguments: A Complete Guide (with Examples) Read More »
To call a function in Python, add parenthesis after the function name. For example, if you have a function called greet, you can call it by: And if the function takes arguments, specify them inside the parenthesis: Let’s take a deeper dive into functions and how to call them in Python. More specifically, we are …
How to Call Functions in Python: A Complete Guide (Examples) Read More »
To check if a file exists using Python, use the exists() function from the os.path module: Here is a short illustration of checking if a file exists in the same folder: Alternatively, you can use the is_file() function from the Path class from the pathlib module: Where path_to_file is relative to the Python file that …
How to Check If a File Exists in Python (in 2 Ways) Read More »
To create a diamond pattern in Python using a for loop, use this simple piece of code: Then run the program. For example, here is a diamond output of height 7: How Does It Work The diamond pattern using for loop in Python is a common beginner question in Python courses. Make sure you understand …
If you need anything more complex than the basic arithmetic operators in Python, there’s a built-in library called Math you can use. With this module, you can calculate square roots, medians, distances, and such. This guide teaches you how to start using the math module in Python. To start using the module in your project, …
