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Chapter 2.7, exercise 7; a generator to create identifiers.
author Brian Neal <bgneal@gmail.com>
date Mon, 03 Dec 2012 19:49:23 -0600
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9:9f1fccc13991 10:aea27d10dd18
1 """Chapter 2.7, exercise 7.
2
3 Write a generator that yields an infinite sequence of alpha-numeric identifiers,
4 starting with a1 through z1, then a2 through z2, and so on.
5
6 """
7 import string
8
9 def generate_identifier():
10 num = 1
11 while True:
12 for c in string.lowercase:
13 yield c + str(num)
14 num += 1
15
16
17 if __name__ == '__main__':
18 try:
19 for name in generate_identifier():
20 print name
21 except KeyboardInterrupt:
22 print "Control-C interrupt"