python读取txt文件封装方法版「建议收藏」

# -*- coding: utf-8 -*-
import numpy as np
def readData(file,cols):
    file=open(file)
    lines=file.readlines()
    rows=len(lines)
    datamat = np.zeros((rows,cols))
    row=0
    for line in lines:
        line=line.strip().split('\t')
        datamat[row,:]=line[::]
        row+=1
    return datamat

#data = readData("data_train.txt",13)
#data = readData("data_test.txt",13)
#data = readData("data_train_labels.txt",2)
data = readData("data_test_labels.txt",2)
print(data)
print(data.shape)