input: 
  def port_java_to_python(java_code: str) -> str:
      """Translate a given Java code snippet into 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):\n return a + b"
      """
  
output:     import re
  
      # Remove Java class and method declarations
      java_code = re.sub(r'public\s+class\s+\w+\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'static\s+', '', java_code)
      java_code = re.sub(r'final\s+', '', java_code)
      java_code = re.sub(r'void\s+', 'def ', 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'char\s+', '', java_code)
      java_code = re.sub(r'byte\s+', '', java_code)
      java_code = re.sub(r'short\s+', '', java_code)
      java_code = re.sub(r'long\s+', '', java_code)
      java_code = re.sub(r'\{', ':', java_code)
      java_code = re.sub(r'\}', '', java_code)
      java_code = re.sub(r';', '', java_code)
      java_code = re.sub(r'return\s+', 'return ', java_code)
  
      # Remove extra spaces and newlines
      java_code = re.sub(r'\s+', ' ', java_code)
      java_code = java_code.strip()
  
      return java_code