Python string functions

string_funcs.md

Case Conversion:
.upper(): Converts a string to uppercase.
.lower(): Converts a string to lowercase.
.capitalize(): Capitalizes the first character of a string.
.swapcase(): Swaps the case of all characters in a string.
Whitespace Manipulation:
.strip(): Removes leading and trailing whitespace from a string.
.lstrip(): Removes leading whitespace from a string.
.rstrip(): Removes trailing whitespace from a string.
String Searching:
.find(substring): Returns the index of the first occurrence of a substring.
.startswith(substring): Checks if a string starts with a substring.
.endswith(substring): Checks if a string ends with a substring.
String Manipulation:
.replace(old, new): Replaces all occurrences of a substring with another.
.split(delimiter): Splits a string into a list of substrings based on a delimiter.
.join(iterable): Concatenates elements of an iterable into a single string.
String Testing:
.isalpha(): Checks if all characters are alphabetic.
.isdigit(): Checks if all characters are digits.
.isspace(): Checks if all characters are whitespace.
Other Useful Functions:
len(string): Returns the length of the string.
String slicing string[start:end] extracts a substring from a string.
String concatenation string1 + string2 combines two strings.
Formatted string literals (f-strings) f"Hello, {name}!" provide a way to embed expressions inside string literals.