code: def _sympy_to_scalar(e):
      """Convert from a SymPy scalar to a Python scalar."""
      if isinstance(e, Expr):
          if e.is_Integer:
              return int(e)
          elif e.is_Float:
              return float(e)
          elif e.is_Rational:
              return float(e)
          elif e.is_Number or e.is_NumberSymbol or e == I:
              return complex(e)
      raise TypeError("Expected number, got: %r" % e)
  
imports: from sympy.core.add import Add
  from sympy.core.expr import Expr
  from sympy.core.mul import Mul
  from sympy.core.numbers import I
  from sympy.core.power import Pow
  from sympy.integrals.integrals import integrate
  from sympy.physics.quantum.dagger import Dagger
  from sympy.physics.quantum.commutator import Commutator
  from sympy.physics.quantum.anticommutator import AntiCommutator
  from sympy.physics.quantum.innerproduct import InnerProduct
  from sympy.physics.quantum.qexpr import QExpr
  from sympy.physics.quantum.tensorproduct import TensorProduct
  from sympy.physics.quantum.matrixutils import flatten_scalar
  from sympy.physics.quantum.state import KetBase, BraBase, StateBase
  from sympy.physics.quantum.operator import Operator, OuterProduct
  from sympy.physics.quantum.qapply import qapply
  from sympy.physics.quantum.operatorset import operators_to_state, state_to_operators
label_desc: Use image node_id 1 for calling a global function with example usage: _sympy_to_scalar(e) and returns: int, float, float, complex