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[英]filter out specific data from csv file only using csv module via python
[英]How to filter out specific data from a CSV via Python?
People OS Games Owned
Anthony Windows 120
Alissa Windows 70
Jordan Windows 20
Khan Mac 47
Benny Mac 23
Anastasia Linux 16
McCurdy Linux 10
我想知道,我將如何過濾掉擁有 20 多個游戲但他們沒有 Mac OS 系統的人。 我需要通過 python 腳本來完成,當運行時,它將數據輸出到一個單獨的文件中,比如文本文件或其他東西。 謝謝!
我建議使用 Pandas 庫。
代碼基本如下:
import pandas as pd
data = pd.read_csv('put in your csv filename here')
# Filter the data accordingly.
data = data[data['Games Owned'] > 20]
data = data[data['OS'] == 'Mac']
這是純python中的解決方案,可根據要求將過濾后的輸出寫入文本文件(csv)。
import csv
with open('games.csv', 'rb') as csvfile:
# handle header line, save it for writing to output file
header = next(csvfile).strip("\n").split(",")
reader = csv.reader(csvfile)
results = filter(lambda row: row[1] != 'Mac' and int(row[2]) > 20, reader)
with open('output.csv', 'wb') as outfile:
writer = csv.writer(outfile)
writer.writerow(header)
for result in results:
writer.writerow(result)
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