input: 
  from typing import List
  
  
  def port_java_to_python(java_code: str) -> str:
      """ Converts a given Java code snippet to its equivalent Python 3 code.
      >>> port_java_to_python("public class Foo { public int foo( int a, int b ) { return a + b; } }")
      'def foo(a, b): return a + b'
      """
  
output:     import re
  
      # Remove Java-specific keywords and syntax
      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'static\s+', '', java_code)
      java_code = re.sub(r'final\s+', '', java_code)
      java_code = re.sub(r'class\s+\w+\s*\{', '', java_code)
      java_code = re.sub(r'\}\s*$', '', java_code)
      java_code = re.sub(r'int\s+', '', java_code)
      java_code = re.sub(r'float\s+', '', java_code)
      java_code = re.sub(r'double\s+', '', java_code)
      java_code = re.sub(r'boolean\s+', '', java_code)
      java_code = re.sub(r'String\s+', '', java_code)
      java_code = re.sub(r'void\s+', '', java_code)
      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'return\s+', 'return ', java_code)
  
      # Convert method definitions
      java_code = re.sub(r'(\w+)\s*\(', r'def \1(', java_code)
  
      return java_code.strip()