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  1. def is_kaprekar(number):
  2.     if number % 10 == 0: return False
  3.     sqd_num = str(number**2)
  4.     for i in range(len(sqd_num)-1):
  5.         if int(sqd_num[:i+1])+int(sqd_num[i+1:]) == number: return True
  6.  
  7. for i in range(2, 9000):	
  8.     if is_kaprekar(i): print(i)
Success #stdin #stdout 0.04s 9992KB
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Standard input is empty
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9
45
55
99
297
703
999
2223
2728
4879
5292
7272
7777
https://ideone.com/gefByV
language:
Python 3 (python  3.12)
created:
8 years ago
visibility:
public

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