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[英]I am getting an unexpected output while exporting my dictionary to csv file in python
[英]Why am I getting a string instead of a dictionary while reading a csv file in Python?
我正在使用CSV文件編寫字典:
self.idSelf += 1
self.tweet["tweet"] = tweetText
self.tweet["id"] = id
self.tweet["sequence"] = self.idSelf
self.tweet["created_at"] = created_at
with open('#KXIPvMI-2018-05-04.csv', 'a') as csv_file:
writer = csv.writer(csv_file)
a = [self.tweet]
print a[0]['tweet']
writer.writerow([self.tweet])
讀取此文件時,我得到一個length = 1的列表。我得到了通過寫row = info[0]
保存的整個字典。 但是當我得到type(row)
,它是str
而不是字典。 為什么會這樣,又如何獲得字典?
使用csv.DictReader和csv.DictWriter,查看示例代碼
import csv
di = {}
di["id"] = 1
di["val"] = "val"
with open("test.csv","a") as csv_file:
writer = csv.DictWriter(csv_file,di.keys())
writer.writerow(di)
with open("test.csv") as csv_file:
reader = csv.DictReader(csv_file,di.keys())
for row in reader:
print row["id"]
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