pandas 处理 csv

读取csv

import pandas as pd
import numpy as np
 
# 第一行作为数据读取
reader_ = pd.read_csv(data_path, header=None)
print(reader_)

# 按行遍历
for row in reader_.itertuples():
    print(row[1], row[2], row[3], row[4]) # 以元组方式输出每一行