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@shinmack14

csvファイルを読み込んで書き込む

Posted at 
import csv

with open('test.csv', 'w+', newline='') as csv_file:
    fieldnames = ['Name', 'Count']
    writer = csv.DictWriter(csv_file, fieldnames=fieldnames)
    writer.writeheader()
    writer.writerow({'Name':'A', 'Count':1})
    writer.writerow({'Name':'B', 'Count':2})

    csv_file.seek(0)

    reader = csv.DictReader(csv_file)

    for row in reader:
        print(row['Name'], row['Count'])
実行結果
A 1
B 2
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