1 with open(file_name, encoding='utf8') as f:　　#后面加上encoding='utf8' 设置编码格式
2     content = f.read()
3     print(content.rstrip())　　　　　　# .rstrip() 用于删除每行结束的换行符

1 file_name = '____'
2 with open(file_name) as f:
3     for line in f:
4         print(line.rstirp())

1 file_name = '___'
2 with open(file_name, encoding='utf8') as f:
3     lines = f.readlines()
4 
5 file_string = ''
6 for line in lines:
7     file_string += line.strip()  　　　　# .strip() 用于删除行末换行符和开头空格
8 print(file_string)

for line in lines:
    pirnt(line.strip())

1 if string_x in file_string:
2     print('yes')
3 else:
4     print('no')

print(len(file_string))