Python格式处理--cvs表格
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import csvvillains =[-
['Doctor','No'], -
['Rosa','Klebb'], -
['Mister','Big'], -
['Auric','Goldfinger'], -
['Ernst','Blofeld'], -
] with open('villains','wt')as fout:# 一个上下文管理器csvout = csv.writer(fout)csvout.writerows(villains)#读取cvswith open('villains','rt')as fin:# 一个上下文管理器cin = csv.reader(fin)villains =[row for row in cin]# 使用列表推导式print(villains)#读取成字典方式with open('villains','rt')as fin:cin = csv.DictReader(fin, fieldnames=['first','last'])villains =[row for row in cin]#将字典写入成标题在上面的方式villains =[-
{'first':'Doctor','last':'No'}, -
{'first':'Rosa','last':'Klebb'}, -
{'first':'Mister','last':'Big'}, -
{'first':'Auric','last':'Goldfinger'}, -
{'first':'Ernst','last':'Blofeld'}, -
] with open('villains','wt')as fout:cout = csv.DictWriter(fout,['first','last'])cout.writeheader()cout.writerows(villains)with open('villains','rt')as fin:#重头读取文件cin = csv.DictReader(fin)villains =[row for row in cin]
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原创声明：本文系作者授权腾讯云开发者社区发表，未经许可，不得转载。
如有侵权，请联系 cloudcommunity@tencent.com 删除。
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