input: def port_java_to_python(java_code: str) -> str:
      """
      Convert a given Java class with a method to a Python function.
      The input is a string containing the Java code.
      The output is a string containing the equivalent Python function.
      >>> 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"
      >>> port_java_to_python("public class Bar { public String bar() { return 'Hello, World!'; } }")
      "def bar():\\n return 'Hello, World!'"
      """
output:     import re
  
      # Remove comments and class definition
      java_code = re.sub(r'/\*.*?\*/', '', java_code, flags=re.DOTALL)
      java_code = re.sub(r'//.*', '', java_code)
      java_code = re.sub(r'public class \w+ {', '', java_code)
  
      # Extract method signature and body
      method_match = re.search(r'public (\w+) (\w+)\((.*?)\) \{(.*?)\}', java_code, re.DOTALL)
      if not method_match:
          return ""
  
      return_type, method_name, params, body = method_match.groups()
  
      # Convert parameters to Python format
      params = params.replace('int ', '').replace('String ', '').replace('boolean ', '')
      params = params.replace('float ', '').replace('double ', '').replace('char ', '')
      params = params.replace('long ', '').replace('short ', '').replace('byte ', '')
      params = params.replace(' ', '')
      params = params.split(',') if params else []
  
      # Convert method body to Python format
      body = body.replace('return ', '').replace(';', '').strip()
  
      # Construct Python function
      python_function = f"def {method_name}({', '.join(params)}):\n return {body}"
  
      return python_function