19 lines
505 B
Python
19 lines
505 B
Python
try:
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from common.inputChecking.typeCheck import inputTypeCheck
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except ModuleNotFoundError:
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print('Sjekk README.md for hvilke flagg python trenger')
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exit(1)
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def alternateSum(n):
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positiveNumbers = [
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num**2 for num in [i for i in range(1, n + 1) if i % 2 != 0]
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]
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negativeNumbers = [
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-num**2 for num in [i for i in range(1, n + 1) if i % 2 == 0]
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]
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return sum(positiveNumbers + negativeNumbers)
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if __name__ == "__main__":
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n = inputTypeCheck('n: ', int)
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print(alternateSum(n)) |