code: def writeImaginary(self, ctx):
      a = (
          ", ".join(self.var_list)
          + " = "
          + "_sm.symbols("
          + "'"
          + " ".join(self.var_list)
          + "')\n"
      )
      b = ", ".join(self.var_list) + " = " + "_sm.I\n"
      self.write(a)
      self.write(b)
      self.var_list = []
  
file_path: sympy/sympy/parsing/autolev/_listener_autolev_antlr.py
imports: import collections
  import warnings
  from sympy.external import import_module
label_desc: Use image node_id 13 for calling a global function with example usage: writeImaginary(ctx) without return types