38 lines
1019 B
Python
38 lines
1019 B
Python
import csv
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from collections import namedtuple
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if __name__ == "__main__":
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# 想要读取csv数据，可以使用csv库
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with open("6.数据编码与处理/1.stocks.csv") as f:
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f_csv = csv.reader(f)
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headers = next(f_csv)
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print(headers)
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for row in f_csv:
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print(row)
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# 但是这样处理就非常不妙，所有的东西混在一起，变成奇奇怪怪的样子，不如使用named_tuple
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f.seek(0)
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Row = namedtuple("Row", headers)
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for row in f_csv:
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print(row)
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row = Row(*row)
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print(row.Symbol)
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f.seek(0)
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f_csv = csv.DictReader(f)
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for row in f_csv:
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print(row['Symbol'])
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# 如果想要插入一条数据，可以使用writer
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rows = [
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("BB", 123, "9/12/2024", "9:36AM", -12, 999)
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]
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with open("6.数据编码与处理/1.stocks.csv", 'w+') as f:
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f_csv = csv.writer(f)
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f_csv.writerows(rows)
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# 我的评价是不如pandas
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