Testing Python syntax fixes...
Checking syntax of input/file1.py...
✓ input/file1.py: Syntax OK
Checking syntax of input/file2.py...
✓ input/file2.py: Syntax OK
Checking syntax of input/file3.py...
  File "input/file3.py", line 8
    def subtract(self, x, y)
                            ^
SyntaxError: expected ':'
✗ input/file3.py: Syntax ERROR
Checking syntax of input/file4.py...
✓ input/file4.py: Syntax OK
Checking syntax of input/file5.py...
  File "input/file5.py", line 21
    print(f"Loaded config: {loaded}")\n
                                      ^
SyntaxError: unexpected character after line continuation character
✗ input/file5.py: Syntax ERROR

Summary:
Total files checked: 5
Files with syntax errors: 2
FAILURE: 2 file(s) still have syntax errors