27 lines
473 B
Python
27 lines
473 B
Python
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def sieve_of_eratosthenes(n):
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nums = list(range(2, n))
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while nums:
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prime = nums[0]
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nums = [i for i in nums if i % prime]
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yield prime
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def main():
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num = 0
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another = True
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while another:
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try:
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num = int(input("Primes up to: "))
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another = False
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except ValueError:
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pass
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print()
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for i in sieve_of_eratosthenes(num):
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print(i)
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if __name__ == "__main__":
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main()
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