code: def _print_betainc(self, expr):
      betainc = self._module_format("scipy.special.betainc")
      beta = self._module_format("scipy.special.beta")
      args = [self._print(arg) for arg in expr.args]
      return f"({betainc}({args[0]}, {args[1]}, {args[3]}) - {betainc}({args[0]}, {args[1]}, {args[2]})) \
              * {beta}({args[0]}, {args[1]})"
  
imports: from sympy.core import S
  from sympy.core.function import Lambda
  from sympy.core.power import Pow
  from .pycode import PythonCodePrinter, _known_functions_math, _print_known_const, _print_known_func, _unpack_integral_limits, ArrayPrinter
  from .codeprinter import CodePrinter
label_desc: Use image node_id 6 for calling the SciPyPrinter obj's underlying member method code with example usage: obj._print_betainc(expr) and returns: str, betainc, str, args, str, args, str, args, str, betainc, str, args, str, args, str, args, str, beta, str, args, str, args, str