The enumerate function is a built-in function in Python that allows you to loop over a sequence (such as a list, tuple, or string) and get the index and value of each element in the sequence at the same time. Here's a basic example of how it works: #...
If ... Else in One Line There is also a shorthand syntax for the if-else statement that can be used when the condition being tested is simple and the code blocks to be executed are short. Here's an example: a = 2 b = 330 print("A") if a > b else prin...
Raising Custom errors In Python, we can raise custom errors by using the raise keyword. salary = int(input("Enter salary amount: ")) if not 2000 < salary < 5000: raise ValueError("Not a valid salary") In the previous tutorial, we learned about d...
Finally Clause The finally code block is also a part of exception handling. When we handle exception using the try and except block, we can include a finally block at the end. The finally block is always executed, so it is generally used for doing th...
Exception Handling Exception handling is the process of responding to unwanted or unexpected events when a computer program runs. Exception handling deals with these events to avoid the program or system crashing, and without this process, exceptions...
Python - else in Loop As you have learned before, the else clause is used along with the if statement. Python allows the else keyword to be used with the for and while loops too. The else block appears after the body of the loop. The statements in th...
Dictionary Methods Dictionary uses several built-in methods for manipulation.They are listed below update() The update() method updates the value of the key provided to it if the item already exists in the dictionary, else it creates a new key-value ...
Python Dictionaries Dictionaries are ordered collection of data items. They store multiple items in a single variable. Dictionary items are key-value pairs that are separated by commas and enclosed within curly brackets {}. Example: info = {'name':'K...
Joining Sets Sets in python more or less work in the same way as sets in mathematics. We can perform operations like union and intersection on the sets just like in mathematics. I. union() and update(): The union() and update() methods prints all ite...