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Jun 3rd, 2017
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Python 0.38 KB | None | 0 0
  1. # У скольких целых чисел, лежащих в диапазоне от 1 до 1000, есть цифра 3?
  2.  
  3. import time
  4.  
  5. x = 1
  6.  
  7. s = 1000
  8.  
  9. a = 0
  10.  
  11. while x < s:
  12.     x += 1
  13.     print('')
  14.     print('x =', x)
  15.     x1 = str(x)
  16.     if x1.find('3') != -1:
  17.         a += 1
  18.         print('a ===================>>> ', a)
  19.     time.sleep(0.01)
  20.  
  21. print('Ответ', a)
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