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  1. import random
  2. import timeit
  3.  
  4. def ThierryLathuille():
  5.     digits = set(range(10))
  6.     first = random.randint(1, 9)
  7.     last_3 = random.sample(digits - {first}, 3)
  8.     return first*1000 + last_3[0]*100 + last_3[1]*10 + last_3[2]
  9.  
  10. def karakfa():
  11.     r4=0
  12.     while r4 < 1000:
  13.         r4=int(''.join(map(str,random.sample(range(10),4))))
  14.     return r4
  15.  
  16. def AustinHastings():
  17.     numbers = [0] 
  18.     while numbers[0] == 0:
  19.         numbers = random.sample(range(10), 4)
  20.     return numbers[0]*1000 + numbers[1]*100 + numbers[2]*10 + numbers[3]
  21.  
  22. def MSeifert():
  23.     val = 1111  # initial value containing duplicates so the while loop is entered.
  24.     while len(set(str(val))) != 4:  # check if it's duplicate free
  25.         val = random.randint(1023, 9876)
  26.     return val 
  27.  
  28. def tevemadar():
  29.     digits=[1,2,3,4,5,6,7,8,9]
  30.     random.shuffle(digits)
  31.     first, digits[0] = digits[0], 0
  32.     random.shuffle(digits)
  33.     return first*1000 + digits[0]*100 + digits[1]*10 + digits[2]
  34.  
  35. def foobar():
  36.     l = [0,1,2,3,4,5,6,7,8,9]
  37.     random.shuffle(l)
  38.     if l[0] == 0:
  39.         pos = random.choice(range(1, len(l)))
  40.         l[0], l[pos] = l[pos], l[0]
  41.     return l[0]*1000 + l[1]*100 + l[2]*10 + l[3]
  42.  
  43. if __name__ == "__main__":
  44.     print("Austin Hastings:",
  45.           timeit.timeit("AustinHastings()",
  46.               number=100000,
  47.               setup="from __main__ import AustinHastings"))
  48.     print("foobar:",
  49.           timeit.timeit("foobar()",
  50.               number=100000,
  51.               setup="from __main__ import foobar"))
  52.     print("MSeifert:",
  53.           timeit.timeit("MSeifert()",
  54.               number=100000,
  55.               setup="from __main__ import MSeifert"))
  56.     print("karakfa:",
  57.           timeit.timeit("karakfa()",
  58.               number=100000,
  59.               setup="from __main__ import karakfa"))
  60.     print("ThierryLathuille:",
  61.           timeit.timeit("ThierryLathuille()",
  62.               number=100000,
  63.               setup="from __main__ import ThierryLathuille"))
  64.     print("tevemadar:",
  65.           timeit.timeit("tevemadar()",
  66.               number=100000,
  67.               setup="from __main__ import tevemadar"))
Success #stdin #stdout 3.65s 38232KB
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Austin Hastings: 0.5626529231667519
foobar: 0.5483845956623554
MSeifert: 0.3142064083367586
karakfa: 0.676659407094121
ThierryLathuille: 0.5952403713017702
tevemadar: 0.9375964421778917
https://ideone.com/ous7zZ
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
public

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