The regular expression r’;\s*(.*?);’ is used to find and extract text that is located between two semicolons. In summary, this expression finds a semicolon, then non-greedily captures all characters up to the next semicolon. This is an effective way to extract the middle value from a semicolon-separated string. Title 1 to 25 chars The regular…

Formatting Date and Time in Python Python provides powerful formatting options for dates and times using the strftime() method and parsing using strptime() method. 1. Basic Formatting with strftime() Date Formatting python from datetime import date, datetime # Current date today = date.today() print(“Date Formatting Examples:”) print(f”Default: {today}”) print(f”YYYY-MM-DD: {today.strftime(‘%Y-%m-%d’)}”) print(f”MM/DD/YYYY: {today.strftime(‘%m/%d/%Y’)}”) print(f”DD-MM-YYYY: {today.strftime(‘%d-%m-%Y’)}”) print(f”Full month: {today.strftime(‘%B %d, %Y’)}”) print(f”Abbr…

Default Arguments in Python Functions Default arguments allow you to specify default values for function parameters. If a value isn’t provided for that parameter when the function is called, Python uses the default value instead. Basic Syntax python def function_name(parameter=default_value): # function body Simple Examples Example 1: Basic Default Argument python def greet(name=”Guest”): print(f”Hello, {name}!”)…

Anchors (Position Matchers) in Python Regular Expressions – Detailed Explanation Basic Anchors 1. ^ – Start of String/Line Anchor Description: Matches the start of a string, or start of any line when re.MULTILINE flag is used Example 1: Match at start of string python import re text = “Python is great\nPython is powerful” result = re.findall(r’^Python’, text) print(result) #…

pop(), remove(), clear(), and del with 5 examples each, including slicing where applicable: 1. pop([index]) Removes and returns the item at the given index. If no index is given, it removes the last item. Examples: 2. remove(x) Removes the first occurrence of the specified value x. Raises ValueError if not found. Examples: 3. clear() Removes all elements from the list, making it empty. Examples: 4. del Statement Deletes elements by index or slice (not a method, but a…