When dealing with multiple conditions that need to be evaluated, Python’sif-elif-elsestructure is particularly useful. Theelifclause (short for “else if”) allows you to specify additional conditions to check if the initialifcondition is not met. This enables a more structured and efficient way...
Python provides various ways to writingforloop in one line.For loopin one line code makes the program more readable and concise. You can use for loop to iterate through an iterable object or a sequence which is the simplest way to write a for loop in one line. You can use simple list ...
So far, we have presented a Boolean option for conditional statements, with eachifstatement evaluating to either true or false. In many cases, we will want a program that evaluates more than two possible outcomes. For this, we will use anelse ifstatement, which is written in Python aselif....
Let’s take anExampleof how normal people will handle the files. If we want to read the data from a file or write the data into a file, then, first of all, we will open the file or will create a new file if the file does not exist and then perform the normal read/write operati...
Python prides itself on its "batteries-included" motto, but eventually you'll write some special code that you want to share with the world. In this tutorial you'll go through all the stages from an idea all the way to making your package available for anyone to install and use for fun...
In this tutorial, you'll learn how to remove or replace a string or substring. You'll go from the basic string method .replace() all the way up to a multi-layer regex pattern using the sub() function from Python's re module.
else: print("File Does Not Exists") new_file = open("sample.txt", "w") new_file.write('Linux/Ubuntu Best Online Guide') new_file.close() In the above code: The “os.remove()” function removes the file if the file is already present in the given path. ...
In Python, there are several modes for file handling (file open modes) including: Read mode ('r'): This mode is used to read an existing file. Write mode ('w'): This mode is used to write to a file. It will create a new file if the file does not exist, and overwrite the fil...
If you need to destructively iterate through a dictionary in Python, then .popitem() can do the trick for you: Python >>> likes = {"color": "blue", "fruit": "apple", "pet": "dog"} >>> while True: ... try: ... print(f"Dictionary length: {len(likes)}") ... item ...
In today’s short guide we will demonstrate how to write switch or case statements in the form of if-else series or dictionaries. Additionally, we will demonstrate the newpattern matchingfeature that was introduced as ofPython3.10 version. ...