已知gs.txt存储古诗《春晓》的四行内容，对应代码如下：
with open("gs.txt",'r',encoding="UTF-8") as file: lines=file.readlines() a=[] for line in lines: a.append(line[0]) print(a)
['春眠不觉晓']
['春','处','夜','花']
['春','眠','不','觉','晓']
['晓','鸟','声','少']