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  1. def isArmstrong(num):
  2. digits = [int(d) for d in str(num)]
  3. return sum([d**len(digits) for d in digits]) == num
  4.  
  5. print(isArmstrong(153)) # should return True
  6. print(isArmstrong(123)) # should return False
Success #stdin #stdout 0.03s 9592KB
stdin
Standard input is empty
stdout
True
False