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svn+ssh://pythondev@svn.python.org/python/trunk ........ r75346 | mark.dickinson | 2009-10-11 10:35:57 +0100 (Sun, 11 Oct 2009) | 1 line Fix 'primes 0 1' ........
31 lines
606 B
Python
Executable file
31 lines
606 B
Python
Executable file
#! /usr/bin/env python
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# Print prime numbers in a given range
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def primes(min, max):
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if max >= 2 >= min:
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print(2)
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primes = [2]
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i = 3
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while i <= max:
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for p in primes:
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if i % p == 0 or p*p > i:
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break
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if i % p != 0:
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primes.append(i)
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if i >= min:
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print(i)
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i += 2
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def main():
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import sys
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min, max = 2, 0x7fffffff
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if sys.argv[1:]:
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min = int(sys.argv[1])
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if sys.argv[2:]:
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max = int(sys.argv[2])
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primes(min, max)
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if __name__ == "__main__":
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main()
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