Once a string object is created, the string's contents cannot be altered by directly modifying individual characters or elements within the string. Instead, to make changes to a string, a new string object …

A string is a sequence of characters. Python provides useful methods for processing string values. In this chapter, string methods will be demonstrated including comparing string values, string slicing, …

The split () method, when applied to a string, splits the string into substrings by using the given argument as a delimiter. Ex: "1-2".split('-') returns a list of substrings ["1", "2"]. When no arguments are given to …

Python uses Unicode, the international standard for representing text on computers. Unicode defines a unique number, called a code point, for each possible character.

Python has many useful methods for modifying strings, two of which are lower() and upper() methods. The lower () method returns the converted alphabetical characters to lowercase, and the upper () …

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Consider a time value is given as part of a string using the format of "hh:mm" with "hh" representing the hour and "mm" representing the minutes. To retrieve only the string's minute portion, the following …

A string is a sequence of characters enclosed by matching single (') or double (") quotes. Ex: "Happy birthday!" and '21' are both strings....

12.3 Recursion with strings and lists Learning objectives By the end of this section you should be able to Demonstrate the use of recursion to solve a string problem. Demonstrate the use of recursion to …

A formatted string literal (or f-string) is a string literal that is prefixed with "f" or "F". A replacement field is an expression in curly braces ({})...