code: def convert_to_real_indices(seq, qubit_map):
      """Returns the circuit with real indices.
  
      Parameters
      ==========
  
      seq : tuple, Gate/Integer/tuple or Mul
          A tuple of Gate, Integer, or tuple objects or a Mul
      qubit_map : dict
          A dictionary mapping symbolic indices to real indices.
  
      Examples
      ========
  
      Change the symbolic indices to real integers:
  
      >>> from sympy import symbols
      >>> from sympy.physics.quantum.circuitutils import convert_to_real_indices
      >>> from sympy.physics.quantum.gate import X, Y, H
      >>> i0, i1 = symbols('i:2')
      >>> index_map = {i0 : 0, i1 : 1}
      >>> convert_to_real_indices(X(i0)*Y(i1)*H(i0)*X(i1), index_map)
      (X(0), Y(1), H(0), X(1))
      """
  
      if isinstance(seq, Mul):
          seq = seq.args
  
      if not isinstance(qubit_map, dict):
          msg = "Expected dict for qubit_map, got %r." % qubit_map
          raise TypeError(msg)
  
      qubit_map = _sympify_qubit_map(qubit_map)
      real_seq = ()
      for item in seq:
          # Nested items, so recurse
          if isinstance(item, Gate):
              real_item = convert_to_real_indices(item.args, qubit_map)
  
          elif isinstance(item, (tuple, Tuple)):
              real_item = convert_to_real_indices(item, qubit_map)
  
          else:
              real_item = qubit_map[item]
  
          if isinstance(item, Gate):
              real_item = item.__class__(*real_item)
  
          real_seq = real_seq + (real_item,)
  
      return real_seq
  
file_path: sympy/sympy/physics/quantum/circuitutils.py
imports: from functools import reduce
  from sympy.core.sorting import default_sort_key
  from sympy.core.containers import Tuple
  from sympy.core.mul import Mul
  from sympy.core.symbol import Symbol
  from sympy.core.sympify import sympify
  from sympy.utilities import numbered_symbols
  from sympy.physics.quantum.gate import Gate
label_desc: Use image node_id 6 for calling a global function with example usage: convert_to_real_indices(seq, qubit_map) and returns: real_seq