code: def ToShortestFloat(original):
      """Returns the shortest float that has same value in wire."""
      # All 4 byte floats have between 6 and 9 significant digits, so we
      # start with 6 as the lower bound.
      # It has to be iterative because use '.9g' directly can not get rid
      # of the noises for most values. For example if set a float_field=0.9
      # use '.9g' will print 0.899999976.
      precision = 6
      rounded = float("{0:.{1}g}".format(original, precision))
      while TruncateToFourByteFloat(rounded) != original:
          precision += 1
          rounded = float("{0:.{1}g}".format(original, precision))
      return rounded
  
imports: import ctypes
  import numbers
  from google.protobuf.internal import api_implementation
  from google.protobuf.internal import decoder
  from google.protobuf.internal import encoder
  from google.protobuf.internal import wire_format
  from google.protobuf import descriptor
label_desc: Use image node_id 2 for calling a global function with example usage: ToShortestFloat(original) and returns: rounded