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First:
zhishu = []
for num in range(2,100):
if(num == 2):
zhishu.append(2)
for n in range(2,num):
if num % n == 0:
break
else:
if(n==num-1):
zhishu.append(num)
break
print("100以内质数:")
print(zhishu)
Second:
for num in range(2,100):
for n in range(2,num):
if num % n == 0:
break
else:
zhishu.append(num)
print("100以内质数:")
print(zhishu)
方法二中用到了python的for else语句,功能为:
当for里没有被break退出,则执行else;否则不执行else。
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