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problem-006.py
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problem-006.py
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"""
Problem 6 - Sum Square Difference
The sum of the squares of the first ten natural numbers is,
1^2 + 2^2 + ... + 10^2 = 385
The square of the sum of the first ten natural numbers is,
(1 + 2 + ... + 10)^2 = 55^2 = 3025
Hence the difference between the sum of the squares of the first ten
natural numbers and the square of the sum is 3025 − 385 = 2640.
Find the difference between the sum of the squares of the first one
hundred natural numbers and the square of the sum.
"""
def sum_square_diff(n: int) -> int:
"""
Parameters
n (int): range of [0, n) to calculate difference
Returns
sum square difference of [0, n)
"""
sum_square = sum([i ** 2 for i in range(n)])
square_sum = sum(range(n)) ** 2
return square_sum - sum_square
if __name__ == "__main__":
print(
"The sum square difference of 1-100 is: " + str(sum_square_diff(101))
)