Field classification using field calculator and python script

Question

Hi I'm trying to classify a field based on a land classification value in a different field.  I've searched around the forums, but haven't had any success building a working script.

Pre-logic Script Code:
def Reclass( !LUCode!):
  if ( !LU_2005! = "AG")
    return "Pasture"
  if ( !LU_2005! = "ST")
    return "Urban"

LUCode = 
Reclass( !LUCODE!)

Any help would be greatly appreciated.

Thanks.

SamNeale · Answer

Great, thank you!

JasonScheirer · Answer

Expression:Reclass(!LUCode!, !LU_2005!)

Codeblock:def Reclass(LUCode, LU_2005):
  if LU_2005 == "AG":
    return "Pasture"
  elif LU_2005! == "ST":
    return "Urban"
  else:
    return "???"

Python uses == for equality, and you can't use !Field!s in the codeblock.