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  1. def isContains5(x):
  2.     """Returns True if the given integer contains the digit 5 exactly once."""
  3.     s = str(x)
  4.     count5 = 0
  5.     for c in s:
  6.         if c == '5':
  7.             count5 += 1
  8.     return count5 == 1
  9.  
  10. def main():
  11.     """How many integers from 1 to 1000 contain the digit 5 exactly once?"""
  12.     allNumbers = ""
  13.     count = 0
  14.     x = 1
  15.     while x <= 1000:
  16.         if isContains5(x):
  17.             allNumbers += str(x)+","
  18.             count += 1
  19.         x += 1
  20.     print(allNumbers[:-1])
  21.     print("Count: "+str(count))
  22.  
  23. if __name__ == "__main__":
  24.     main()
  25.  
Success #stdin #stdout 0.01s 7152KB
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Standard input is empty
stdout
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5,15,25,35,45,50,51,52,53,54,56,57,58,59,65,75,85,95,105,115,125,135,145,150,151,152,153,154,156,157,158,159,165,175,185,195,205,215,225,235,245,250,251,252,253,254,256,257,258,259,265,275,285,295,305,315,325,335,345,350,351,352,353,354,356,357,358,359,365,375,385,395,405,415,425,435,445,450,451,452,453,454,456,457,458,459,465,475,485,495,500,501,502,503,504,506,507,508,509,510,511,512,513,514,516,517,518,519,520,521,522,523,524,526,527,528,529,530,531,532,533,534,536,537,538,539,540,541,542,543,544,546,547,548,549,560,561,562,563,564,566,567,568,569,570,571,572,573,574,576,577,578,579,580,581,582,583,584,586,587,588,589,590,591,592,593,594,596,597,598,599,605,615,625,635,645,650,651,652,653,654,656,657,658,659,665,675,685,695,705,715,725,735,745,750,751,752,753,754,756,757,758,759,765,775,785,795,805,815,825,835,845,850,851,852,853,854,856,857,858,859,865,875,885,895,905,915,925,935,945,950,951,952,953,954,956,957,958,959,965,975,985,995
Count: 243
https://ideone.com/rxKx5N
language:
Python (cpython 2.7.16)
created:
6 years ago
visibility:
public

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