error on bat file

[snippsat]

now i have syntax error on off in @echo off. rip

You are making a .bat file and not run it with Python?
Batch file : ECHO command
A run i cmd.

E:\>cd E:\div_code\bat

# look at files
E:\div_code\bat>dir
 Volume in drive E is 2 TB
 Volume Serial Number is 3433-29C0

 Directory of E:\div_code\bat

28.08.2018  15:57    <DIR>          .
28.08.2018  15:57    <DIR>          ..
27.08.2018  16:28                45 hello.bat
27.08.2018  16:27                46 hello_27.bat
               2 File(s)             91 bytes
               2 Dir(s)  222 956 498 944 bytes free

# Content of hello.bat
E:\div_code\bat>more hello.bat
@echo off
python C:/foo/hello.py %*
pause

# Run hello.bat
E:\div_code\bat>hello.bat
hello world
Press any key to continue . . .

# Content of hello_27.bat
E:\div_code\bat>more hello_27.bat
@echo off
py -2.7 C:/foo/hello.py %*
pause

# Run hello_27.bat
E:\div_code\bat>hello_27.bat
hello world
Press any key to continue . . .

hello.py that .bat files run:

print('hello world')
#input('Press enter to exit')