将列添加到文本文件

假设您的列之间用空格分隔，则应该这样做，但是它不使用

numpy

with open('data_file.dat') as in_file, open('output', 'w') as out_file:    for line in in_file:         data = float(line.strip())         print >> outfile "'w040_0731.QR'", '1666.000', data, '0.10000', '7'