[英]Remove rows from .csv file using python
我在 a.csv 文件中有這些數據,我想從我的 csv 文件中刪除第 4 行,然后使用 python 將文件的 rest 保存在我的數據集中!
import csv
with open('dataset1.csv','rb') as inp, open('dataset-1copy.csv','wb') as out:
i = 0
for line in inp:
if i >= 4:
print(line)
csv.writer(out).writerows()
i+= 1
使用此代碼並出現錯誤:
Error Traceback (most recent call last)
~\AppData\Local\Temp/ipykernel_14912/736960677.py in <module>
4 if i >= 5:
5 print(line)
----> 6 csv.writer(out).writerows(line)
7 i+= 1
8
Error: iterable expected, not int
import pandas as pd
df = pd.read_csv("dataset1.csv",skiprows=4)
df.to_csv("new_csv.csv",index=False)
你也可以這樣做:
lines = list()
remove= [1,2,3,4]
with open('dataset1.csv', 'r') as read_file:
reader = csv.reader(read_file)
for row_number, row in enumerate(reader, start=1):
if(row_number not in remove):
lines.append(row)
with open('new_csv.csv', 'w') as write_file:
writer = csv.writer(write_file)
writer.writerows(lines)
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