The third chapter Python string (3) Method string

String methods very much, focus on learning some of the most useful, the full string method, see "Python based tutorial (third edition)" in Appendix B.

Module string, although the limelight is small, but it contains some methods no string constants and functions, it will be very useful several modules string constants are listed:

. 1 string.digits: 0- comprises a digital string of 9;
 2  string.ascii_letters: ASCII string containing all letters (uppercase and lowercase) a;
 . 3  string.ascii_lowercase: contains all lowercase letters ASCII string;
 . 4  string.printable : contains all the strings of printable ASCII characters;
 5  string.punctuation: a string containing all ASCII punctuation characters;
 6  string.ascii_uppercase: ASCII string containing all uppercase characters.
7  
8  # Although the ASCII characters, but in fact it is not decoding of Unicode strings.

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