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brilliant_moves

ReadPrimeFile.py

Oct 20th, 2014
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  1. #!/usr/bin/python
  2. #ReadPrimeFile.py
  3. #Read numbers from file, display those which are prime
  4. #Chris Clarke
  5. #20.10.2014
  6. #Note: data file has 1 or more numbers per line(s), separated by spaces
  7.  
  8. def isPrime(n):
  9.     if n<2: return False
  10.     for i in range(2, n):
  11.         if n%i==0: return False
  12.     return True
  13.  
  14. datafile = open("MyDataFile2.txt")
  15. data = datafile.readlines()
  16. for line in data:
  17.     num = line.split(' ')
  18.     for x in num:
  19.         n = int(x)
  20.         if isPrime(n):
  21.             print n,"is prime"
  22. datafile.close()
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