code: def __call__(self, *args, **kwargs):
      return self.lambda_func(*args, **kwargs)
  
imports: import re
  from sympy.core.numbers import I, NumberSymbol, oo, zoo
  from sympy.core.symbol import Symbol
  from sympy.utilities.iterables import numbered_symbols
  from sympy.external import import_module
  import warnings
label_desc: Use image node_id 2 for calling the Lambdifier obj's underlying member method code with example usage: obj.__call__() and returns: self