Python - 一行代码for 循环处理数据

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我处理的小需求是，将文件中每一行取出来，同时去掉换行符

file_path = 'a.txt'

arr = open(file_path).readlines() 
# ['a1\n', 'a2\n']

print(arr[:2])

arr1 = [x.strip() for x in arr]

print(arr1[:2])
# ['a1', 'a2']

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简单点：

arr = [x.strip() for x in open(file_path).readlines()]
print(arr[:2])

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参考：16个非常有用的Python单行代码！
https://www.sohu.com/a/707569420_121124376