不显示hello，wold

C:\Users\Administrator>cd \Learnpython
C:\Learnpython>dir 驱动器 C 中的卷是 系统 卷的序列号是 0000-43F6 
C:\Learnpython 的目录2020/06/19  10:37    
<DIR>          .2020/06/19  10:37    <DIR>          ..
2020/06/19  10:30                25 Hello.py
2020/06/19  10:37                25 Helloo.py               
2 个文件             50 字节               
2 个目录 177,611,874,304 可用字节
C:\Learnpython>python Hello.py  
File "Hello.py", 
line 1
SyntaxError: Non-ASCII character '\xe2' in file Hello.py on line 1, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details
C:\Learnpython>