input: def port_java_to_python(java_code: str) -> str:
      """ Convert a given Java code snippet to a Python 3 function.
      The input should be a single Java method within a class. The output
      should be a Python function equivalent to the given Java method.
  
      >>> port_java_to_python("public class Foo { public int foo( int a, int b ) { return a + b; } }")
      "def foo(a, b):\\n return a + b\\n"
      """
output:     import re
  
      # Remove the class declaration and method signature
      java_code = re.sub(r'public\s+class\s+\w+\s*\{', '', java_code)
      java_code = re.sub(r'public\s+\w+\s+\w+\s*\(', 'def ', java_code)
      java_code = re.sub(r'\)\s*\{', '):', java_code)
  
      # Remove the closing brace of the class
      java_code = re.sub(r'\}\s*$', '', java_code)
  
      # Replace Java-specific syntax with Python equivalents
      java_code = re.sub(r'int\s+(\w+)\s*=\s*(\d+);', r'\1 = int(\2)', java_code)
      java_code = re.sub(r'int\s+(\w+)\s*;', r'\1 = 0', java_code)
      java_code = re.sub(r'System\.out\.println\s*\((.*?)\);', r'print(\1)', java_code)
      java_code = re.sub(r'new\s+\w+\s*\((.*?)\)', r'(\1)', java_code)
      java_code = re.sub(r'this\.(\w+)', r'\1', java_code)
      java_code = re.sub(r'final\s+', '', java_code)
      java_code = re.sub(r'public\s+', '', java_code)
      java_code = re.sub(r'private\s+', '', java_code)
      java_code = re.sub(r'protected\s+', '', java_code)
      java_code = re.sub(r'void\s+(\w+)\s*\(', r'def \1(', java_code)
      java_code = re.sub(r'return\s+(.*?);', r'return \1', java_code)
      java_code = re.sub(r'//.*', '', java_code)
      java_code = re.sub(r'/\*.*?\*/', '', java_code, flags=re.DOTALL)
      java_code = re.sub(r'\s+', ' ', java_code)
      java_code = re.sub(r'\s*:\s*', ': ', java_code)
      java_code = re.sub(r'\s*=\s*', ' = ', java_code)
      java_code = re.sub(r'\s*\+\s*', ' + ', java_code)
      java_code = re.sub(r'\s*-\s*', ' - ', java_code)
      java_code = re.sub(r'\s*\*\s*', ' * ', java_code)
      java_code = re.sub(r'\s*/\s*', ' / ', java_code)
      java_code = re.sub(r'\s*%\s*', ' % ', java_code)
      java_code = re.sub(r'\s*&&\s*', ' and ', java_code)
      java_code = re.sub(r'\s*\|\|\s*', ' or ', java_code)
      java_code = re.sub(r'\s*!\s*', ' not ', java_code)
      java_code = re.sub(r'\s*==\s*', ' == ', java_code)
      java_code = re.sub(r'\s*!=\s*', ' != ', java_code)
      java_code = re.sub(r'\s*<\s*', ' < ', java_code)
      java_code = re.sub(r'\s*>\s*', ' > ', java_code)
      java_code = re.sub(r'\s*<=\s*', ' <= ', java_code)
      java_code = re.sub(r'\s*>=\s*', ' >= ', java_code)
      java_code = re.sub(r'\s*\+\+\s*', ' += 1', java_code)
      java_code = re.sub(r'\s*--\s*', ' -= 1', java_code)
      java_code = re.sub(r'\s*\+\s*=\s*', ' += ', java_code)
      java_code = re.sub(r'\s*-\s*=\s*', ' -= ', java_code)
      java_code = re.sub(r'\s*\*\s*=\s*', ' *= ', java_code)
      java_code = re.sub(r'\s*/\s*=\s*', ' /= ', java_code)
      java_code = re.sub(r'\s*%\s*=\s*', ' %= ', java_code)
      java_code = re.sub(r'\s*=\s*', ' = ', java_code)
      java_code = re.sub(r'\s*:\s*', ': ', java_code)
      java_code = re.sub(r'\s*,\s*', ', ', java_code)
      java_code = re.sub(r'\s*\(\s*', '(', java_code)
      java_code = re.sub(r'\s*\)\s*', ')', java_code)
      java_code = re.sub(r'\s*\{\s*', ':', java_code)
      java_code = re.sub(r'\s*\}\s*', '', java_code)
      java_code = re.sub(r'\s*;\s*', '', java_code)
      java_code = re.sub(r'\s*else\s*if\s*', 'elif ', java_code)
      java_code = re.sub(r'\s*else\s*', 'else:', java_code)
      java_code = re.sub(r'\s*if\s*', 'if ', java_code)
      java_code = re.sub(r'\s*for\s*\(', 'for ', java_code)
      java_code = re.sub(r'\s*while\s*\(', 'while ', java_code)
      java_code = re.sub(r'\s*do\s*', 'while True:', java_code)
      java_code = re.sub(r'\s*break\s*', 'break', java_code)
      java_code = re.sub(r'\s*continue\s*', 'continue', java_code)
      java_code = re.sub(r'\s*try\s*', 'try:', java_code)
      java_code = re.sub(r'\s*catch\s*\(', 'except ', java_code)
      java_code = re.sub(r'\s*finally\s*', 'finally:', java_code)
      java_code = re.sub(r'\s*throw\s*', 'raise ', java_code)
      java_code = re.sub(r'\s*new\s*', '', java_code)
      java_code = re.sub(r'\s*this\s*', '', java_code)
      java_code = re.sub(r'\s*super\s*', '', java_code)
      java_code = re.sub(r'\s*import\s*', '', java_code)
      java_code = re.sub(r'\s*package\s*', '', java_code)
      java_code = re.sub(r'\s*class\s*', '', java_code)
      java_code = re.sub(r'\s*interface\s*', '', java_code)
      java_code = re.sub(r'\s*enum\s*', '', java_code)
      java_code = re.sub(r'\s*abstract\s*', '', java_code)
      java_code = re.sub(r'\s*static\s*', '', java_code)
      java_code = re.sub(r'\s*final\s*', '', java_code)
      java_code = re.sub(r'\s*volatile\s*', '', java_code)
      java_code = re.sub(r'\s*transient\s*', '', java_code)
      java_code = re.sub(r'\s*synchronized\s*', '', java_code)
      java_code = re.sub(r'\s*native\s*', '', java_code)
      java_code = re.sub(r'\s*strictfp\s*', '', java_code)
      java_code = re.sub(r'\s*assert\s*', '', java_code)
      java_code = re.sub(r'\s*instanceof\s*', '', java_code)
      java_code = re.sub(r'\s*implements\s*', '', java_code)
      java_code = re.sub(r'\s*extends\s*', '', java_code)
      java_code = re.sub(r'\s*throws\s*', '', java_code)
      java_code = re.sub(r'\s*default\s*', '', java_code)
      java_code = re.sub(r'\s*goto\s*', '', java_code)
      java_code = re.sub(r'\s*const\s*', '', java_code)
      java_code = re.sub(r'\s*null\s*', 'None', java_code)
      java_code = re.sub(r'\s*true\s*', 'True', java_code)
      java_code = re.sub(r'\s*false\s*', 'False', java_code)
      java_code = re.sub(r'\s*void\s*', '', java_code)
      java_code = re.sub(r'\s*int\s*', '', java_code)
      java_code = re.sub(r'\s*float\s*', '', java_code)
      java_code = re.sub(r'\s*double\s*', '', java_code)
      java_code = re.sub(r'\s*char\s*', '', java_code)
      java_code = re.sub(r'\s*byte\s*', '', java_code)
      java_code = re.sub(r'\s*short\s*', '', java_code)
      java_code = re.sub(r'\s*long\s*', '', java_code)
      java_code = re.sub(r'\s*boolean\s*', '', java_code)
      java_code = re.sub(r'\s*String\s*', 'str', java_code)
      java_code = re.sub(r'\s*Object\s*', 'object', java_code)
      java_code = re.sub(r'\s*Exception\s*', 'Exception', java_code)
      java_code = re.sub(r'\s*RuntimeException\s*', 'RuntimeError', java_code)
      java_code = re.sub(r'\s*Error\s*', 'Error', java_code)
      java_code = re.sub(r'\s*Thread\s*', 'threading.Thread', java_code)
      java_code = re.sub(r'\s*Runnable\s*', 'threading.Thread', java_code)
      java_code = re.sub(r'\s*System\s*', 'sys', java_code)
      java_code = re.sub(r'\s*out\s*', 'stdout', java_code)
      java_code = re.sub(r'\s*in\s*', 'stdin', java_code)
      java_code = re.sub(r'\s*err\s*', 'stderr', java_code)
      java_code = re.sub(r'\s*Math\s*', 'math', java_code)
      java_code = re.sub(r'\s*Arrays\s*', 'array', java_code)
      java_code = re.sub(r'\s*Collections\s*', 'collections', java_code)
      java_code = re.sub(r'\s*List\s*', 'list', java_code)
      java_code = re.sub(r'\s*Set\s*', 'set', java_code)
      java_code = re.sub(r'\s*Map\s*', 'dict', java_code)
      java_code = re.sub(r'\s*ArrayList\s*', 'list', java_code)
      java_code = re.sub(r'\s*HashSet\s*', 'set', java_code)
      java_code = re.sub(r'\s*HashMap\s*', 'dict', java_code)
      java_code = re.sub(r'\s*LinkedList\s*', 'collections.deque', java_code)
      java_code = re.sub(r'\s*TreeSet\s*', 'sorted', java_code)
      java_code = re.sub(r'\s*TreeMap\s*', 'sorted', java_code)
      java_code = re.sub(r'\s*Queue\s*', 'queue.Queue', java_code)
      java_code = re.sub(r'\s*PriorityQueue\s*', 'queue.PriorityQueue', java_code)
      java_code = re.sub(r'\s*Stack\s*', 'list', java_code)
      java_code = re.sub(r'\s*Vector\s*', 'list', java_code)
      java_code = re.sub(r'\s*Iterator\s*', 'iter', java_code)
      java_code = re.sub(r'\s*Iterable\s*', 'iter', java_code)
      java_code = re.sub(r'\s*Comparator\s*', 'functools.cmp_to_key', java_code)
      java_code = re.sub(r'\s*Comparable\s*', 'functools.cmp_to_key', java_code)
      java_code = re.sub(r'\s*Serializable\s*', 'pickle', java_code)
      java_code = re.sub(r'\s*Cloneable\s*', 'copy', java_code)
      java_code = re.sub(r'\s*RandomAccess\s*', 'list', java_code)
      java_code = re.sub(r'\s*AtomicInteger\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicLong\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicBoolean\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicReference\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicIntegerArray\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicLongArray\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicReferenceArray\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicMarkableReference\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicStampedReference\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicIntegerFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicLongFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicReferenceFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicIntegerArrayFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicLongArrayFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicReferenceArrayFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicMarkableReferenceFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicStampedReferenceFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicIntegerFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicLongFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicReferenceFieldUpdater\s*', 'threading.Lock', java_code)
      java_code = re.sub(r'\s*AtomicIntegerArrayFieldUpdater\s*