Pandas笔记：csv读写操作

import pandas as pd
 
# 读取
data = pd.read_csv("./data/test.csv")
print(data.head)
# 存储csv
data.to_csv("./data/save.csv")

<bound method NDFrame.head of    a  b    c    d
0  1  2  3.0  4.0
1  1  2  NaN  4.0
2  1  ?  3.0  4.0
3  1  2  3.0  4.0
4  1  2  3.0  NaN>

存储文件内容