Traceback (most recent call last):
  File "/nix/store/r18i4xmq7fh23ldkwcl2bc5vwi5rpz48-python3-3.10.13/lib/python3.10/py_compile.py", line 144, in compile
    code = loader.source_to_code(source_bytes, dfile or file,
  File "<frozen importlib._bootstrap_external>", line 947, in source_to_code
  File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
  File "/w/foo.py", line 2
    if y/400=int(y/400):
       ^^^^^
SyntaxError: cannot assign to expression here. Maybe you meant '==' instead of '='?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/nix/store/r18i4xmq7fh23ldkwcl2bc5vwi5rpz48-python3-3.10.13/lib/python3.10/py_compile.py", line 150, in compile
    raise py_exc
py_compile.PyCompileError:   File "/w/foo.py", line 2
    if y/400=int(y/400):
       ^^^^^
SyntaxError: cannot assign to expression here. Maybe you meant '==' instead of '='?

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