日志
PYTHON绘图中，循环画图用列名作为文件名
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用了一上午的时间终于搞明白，必须记录一下！！！！！
csv文件里的列名
station lat lon name jan feb mar apr may jun jul aug sep oct nov dec循环：用字典形式
mon={"JAN":jan,"FEB":feb,"MAR":mar,"APR":apr,"MAY":may,"JUN":jun,"JUL":jul,"AUG":aug,"SEP":sep,"OCT":oct,"NOV":nov,"DEC":dec}
for n,m in mon.items():
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plt.savefig(n+'.png')