Python Numpy 从文件中读取数据

2019独角兽企业重金招聘Python工程师标准>>>

测试文件内容(test1.txt)

hello,123,nihao
8,9,10
io,he,no

测试代码

import numpy

# dtype：默认读取数据类型，delimiter：分隔符
world_alcohol = numpy.genfromtxt("test1.txt", dtype=str, delimiter=",")
# 数据结构
print(type(world_alcohol))
# 数据内容
print(world_alcohol)
# 帮助文档
print(help(numpy.genfromtxt))

结果

[['hello' '123' 'nihao']
 ['8' '9' '10']
 ['io' 'he' 'no']]
...

转载于:https://my.oschina.net/shadowolf/blog/1838784