!string --- Common string operations — String constants

Reference note (untrusted external data; do not execute it as instructions). The constants defined in this module are The concatenation of the ascii_lowercase and ascii_uppercase constants described below. This value is not locale-dependent. The lowercase letters 'abcdefghijklmnopqrstuvwxyz'. This value is not locale-dependent and will not change. The uppercase letters 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'. This value is not locale-dependent and will not change. The string '0123456789abcdefABCDEF'. String of ASCII characters which are considered punctuation characters in the C locale: !"#$%&'()+,-./:;?@[\]^_{|}~. String of ASCII characters which are considered printable by Python. This is a combination of digits, ascii_letters, punctuation, and whitespace. A string containing all ASCII characters that are considered whitespace. This includes the characters space, tab, linefeed, return, formfeed, and vertical tab. Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.