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- #!/usr/bin/env python3
- """
- A Python version of the classic "bottles of beer on the wall" programming
- example.
- By Guido van Rossum, demystified after a version by Fredrik Lundh.
- """
- import sys
- n = 100
- if sys.argv[1:]:
- n = int(sys.argv[1])
- def bottle(n):
- if n == 0: return "no more bottles of beer"
- if n == 1: return "one bottle of beer"
- return str(n) + " bottles of beer"
- for i in range(n, 0, -1):
- print(bottle(i), "on the wall,")
- print(bottle(i) + ".")
- print("Take one down, pass it around,")
- print(bottle(i-1), "on the wall.")
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