Make Lesson 2 Task 4 not use math library
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1 changed files with 7 additions and 2 deletions
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@ -6,7 +6,7 @@
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# 0 - OK
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# 0 - OK
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# 1 - Invalid number entered
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# 1 - Invalid number entered
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import math, sys
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import sys
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def numberError():
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def numberError():
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print("Invalid number entered.")
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print("Invalid number entered.")
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@ -17,4 +17,9 @@ except ValueError: numberError()
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if number < 1: numberError()
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if number < 1: numberError()
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print(str(number) + " factorial is " + str(math.factorial(number)))
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factorial = 1
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for i in range(2, number + 1):
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factorial = factorial * i
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else:
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print(str(number) + " factorial is " + str(factorial))
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