Dargslan

Dargslan

What Are Python Decorators?

Illustration showing Python decorators: a wrapper function modifying another functions behavior, adding logging timing or access checks without changing the original function code.

How to Print Formatted Strings

Illustration of printing formatted strings: laptop screen shows code examples with printf, format() and f-strings, highlighted placeholders and variables, arrows and output preview

How to Use if name == "main":

Illustration of Python code demonstrating if __name__ == "__main__": usage, showing import statements, function definitions, and script execution flow for running a module directly

How to Import Modules in Python

Diagram showing Python import styles: import module; from module import name; from pkg.module import name as alias; showing namespaces, aliases and specific imports. with examples.

What Is the range() Function Used For?

Illustration of Python's range() creating integer sequences from start to stop (exclusive) with optional step, commonly used for loops, indexing, and sequence generation. for loops

How to Write Data to a File in Python

Illustration shows Python code writing data to a file: opening a file with open(), writing strings/bytes, using write() or writelines(), and closing or using with context manager..

How to Read a Text File in Python

Illustration of reading a text file in Python: use with open('file.txt','r') to read contents, read(), readline(), or iterate lines to process text safely and efficiently. Securely

What Is a Lambda Function?

Illustration of a lambda function: a small anonymous function used inline to compute a value or transform data, showing parameters, a lambda symbol, and input/output flow. Diagram.

How to Handle Exceptions in Python

Illustration of Python exception handling: try block with code, except catching specific and generic exceptions, finally block cleanup, and logs showing visual error handling flow.

What Is the Difference Between Tuple and List?

Tuples are immutable collections (parentheses), fixed-size and hashable for keys; lists are mutable sequences (brackets), variable-length for ordered, changeable elements. Use cases.