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10 course recommendations on reading and writing

零下一度
零下一度Original
2017-06-13 10:53:261298browse

Python reads and writes csv format files. In data analysis, it is often necessary to access data from csv format files and write data to csv files. It is very convenient and trouble-free to directly read the data in the csv file into dict type and DataFrame. The following code takes iris data as an example. The csv file is read as dict code# -*- coding: utf-8 -*- import csv with open('E:/iris.csv') as csvfile: reader = csv.DictReader(csvfile, fieldnames=None) #fieldnames defaults to None. If the csv file being read does not have a header, you need to specify it. list_1 =

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10 course recommendations on reading and writing

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