9.19. Character classification¶
It is often helpful to examine a character and test whether it is upper- or
lowercase, or whether it is a character or a digit. The
provides several constants that are useful for these purposes. One of these,
string.digits is equivalent to “0123456789”. It can be used to check if a character
is a digit using the
string.ascii_lowercase contains all of the ascii letters that the system
considers to be lowercase. Similarly,
string.ascii_uppercase contains all of the
string.punctuation comprises all the characters considered
to be punctuation. Run the following:
For more information consult the
string module documentaiton (see Global Module Index).
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