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palidrome reciprocals

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Apr 18th, 2022
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Python 0.48 KB | None | 0 0
  1. pali = ["1","2", "3", "4", "5", "6","7","8","9","11","22", "33", "44", "55", "66","77", "88", "99"]
  2. index =9
  3. while len(pali) < 10000:
  4.    for k in range(0,10):
  5.       if len(pali[index])%2 ==0:
  6.          pali += [pali[index][:len(pali[index])//2] +str(k) +pali[index][len(pali[index])//2:]]
  7.          pali += [pali[index][:len(pali[index])//2] +str(k)*2+pali[index][len(pali[index])//2:]]
  8.    index += 1
  9. total = 0.0
  10. for i in range(0,len(pali)):
  11.  
  12.    total += 1/int(pali[i])
  13. print(total)
  14.  
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