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