python求200以内所有素数

Question

如题所述

Answer 1

代码如下，缩进请参考截图：

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def is_prime(n):
if n == 1:
return False
for i in range(2, int(n ** 0.5) + 1):
if n % i == 0:
return False
return True
prime = []
# 起始值
start = 1
# 终止值
end = 200
for i in range(start, end + 1):
if is_prime(i):
prime.append(i)
print(prime)

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输出：

[2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199]