STRING METHODS
Basic OOP
• Everything in Python is an object.
• Every object has a type.
• 'apple' is an object of type "str".
• 'apple' is a string object.
• Fruit = 'apple'.
• fruit is a string object.
• Methods are fuctions run against an object.
object.method()
• String methods:
• upper() : Returns a copy of the string in uppercase.
• lower() : Returns a copy of the string in lowercase.
• format() : Returns a formatted version of the string.