




'''simple docstring'''







def        lowerCamelCase__				(      __lowercase = 4_000_000				):
     snake_case			:      Dict        =			[0, 1]
     snake_case			:      Union[str, Any]        =			0
     while fib[i] <= n:
          fib.append(fib[i] + fib[i + 1]				)
          if fib[i + 2] > n:
               break
          i += 1
     snake_case			:      Optional[int]        =			0
     for j in range(len(__lowercase				) - 1				):
          if fib[j] % 2 == 0:
               total += fib[j]

     return total


if __name__ == "__main__":
      print(F"""{solution() = }""")









'''simple docstring'''







import os


# All paths are set with the intent you should run this script from the root of the repo with the command
# python utils/check_doctest_list.py
lowercase      :   List[str]      =       """."""


if __name__ == "__main__":
      lowercase      :   List[str]      =       os.path.join(REPO_PATH, """utils/documentation_tests.txt""")
      lowercase      :   Union[str, Any]      =       []
      lowercase      :   List[str]      =       []
      with open(doctest_file_path) as fp:
            for line in fp:
                  lowercase      :   List[str]      =       line.strip()
                  lowercase      :   Optional[Any]      =       os.path.join(REPO_PATH, line)
                  if not (os.path.isfile(path) or os.path.isdir(path)):
                        non_existent_paths.append(line)
                  all_paths.append(path)
      if len(non_existent_paths) > 0:
            lowercase      :   int      =       """\n""".join(non_existent_paths)
            raise ValueError(F"""`utils/documentation_tests.txt` contains non-existent paths:\n{non_existent_paths}""")
      if all_paths != sorted(all_paths):
            raise ValueError("""Files in `utils/documentation_tests.txt` are not in alphabetical order.""")



