with open('filename.txt', 'r') as f:
lines = f.readlines()
reversed_lines = []
for line in lines:
reversed_line = line.strip()[::-1]
reversed_lines.append(reversed_line)
with open('filename.txt', 'w') as f:
f.writelines(reversed_lines)
完整的代码如下:
with open('filename.txt', 'r') as f:
lines = f.readlines()
reversed_lines = []
for line in lines:
reversed_line = line.strip()[::-1]
reversed_lines.append(reversed_line)
with open('filename.txt', 'w') as f:
f.writelines(reversed_lines)