Traceback (most recent call last):
  File "/nix/python3-3.11.9/lib/python3.11/py_compile.py", line 144, in compile
    code = loader.source_to_code(source_bytes, dfile or file,
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap_external>", line 1004, in source_to_code
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/w/foo.py", line 7
    ="菜品1"+str(b)+的点餐量是："345"
                       ^
SyntaxError: invalid character '：' (U+FF1A)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/nix/python3-3.11.9/lib/python3.11/py_compile.py", line 150, in compile
    raise py_exc
py_compile.PyCompileError:   File "/w/foo.py", line 7
    	="菜品1"+str(b)+的点餐量是："345"
    	                   ^
SyntaxError: invalid character '：' (U+FF1A)