code: def conj(ctx, x):
      x = ctx.convert(x)
      try:
          return x.conjugate()
      except AttributeError:
          return x
  
imports: from ..libmp.backend import xrange
  import math
  import cmath
label_desc: Use image node_id 30 for calling a global function with example usage: conj(ctx, x) and returns: x, x