这个是道python的题，怎么提取0-9里面的偶数？ Python问题 第一题 请编写程序输出奇偶数月份。 原题为...
python \u5982\u4f55\u53d6\u5230dataframe\u7684\u5076\u6570\u5217\u8bbe\u6b65\u957f\uff0c\u7c7b\u4f3cnumpy\u3002\u4e3b\u8981\u539f\u56e0\u662f\u4e0d\u80fd\u76f4\u63a5\u5bf9\u5217\u5207\u7247\uff0c\u56e0\u4e3a\u5217\u7d22\u5f15\u76f8\u5f53\u4e8e\u5b57\u5178\u7684\u952e\u3002\u4f46\u548cnumpy\u4e00\u6837\uff0c\u652f\u6301\u591a\u8f74\u540c\u65f6\u5207\u7247\u53d6\u6240\u6709\u884c\u518d\u53d6\u5076\u6570\u5217\uff0c\u7ed3\u679cdf.loc[:,::2]
if (month=8 and month%2==0):
print("yes")
else :print("no")
\u4f60\u7684\u53d8\u91cfa\u6ca1\u88ab\u8d4b\u4e88month\u7684\u503c\uff0c\u6240\u4ee5\u7528month \u4e0d\u7528a
\u521a\u624d\u586b\u4e86\u4e2a\u884c\u5c3e : \u4eb2\u6d4b\u53ef\u8fd0\u884c\u3002\u4f60\u8fd8\u53ef\u4ee5\u66f4\u4e25\u8c28\u4e00\u70b9\u513f
\u6bd4\u5982month >=1 and month =8 and month<=12\u4e4b\u7c7b
\u6bd4\u5982\uff1a
if (month>=1 and month=8 and month<=12 and month%2==0):
print ("yes")
else:print("no")
\u6216\u8005\u697c\u4e0b\u90a3\u79cd\u7f29\u5199:
if(1<=month<=7 and a%2!=0) or (8<=month<=12 and month%2==0):
...
只要除以2等于0就是偶数了啊：
In [8]: l=range(10)
In [9]: l
Out[9]: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
In [10]: [i for i in l if i%2==0]
Out[10]: [0, 2, 4, 6, 8]
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