code: def math_function_invocation(self, function_name, *args):
      return f"{function_name}({', '.join(map(str, args))})"
  
file_path: m2cgen/m2cgen/interpreters/powershell/code_generator.py
imports: from contextlib import contextmanager
  from m2cgen.ast import CompOpType
  from m2cgen.interpreters.code_generator import CLikeCodeGenerator, CodeTemplate
label_desc: Use image node_id 4 for calling the PowershellCodeGenerator obj's underlying member method code with example usage: obj.math_function_invocation(function_name) and returns: function_name, str, str, str