Random Value Generator

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I have a python code where I am trying to assign a unique, random value to every row. I have tried:

maxvalue = int(arcpy.GetCount_management(shape).getOutput(0)) + 10000for row in arcpy.SearchCursor(shape, fields="FID"): insert = randint(0, maxvalue) arcpy.CalculateField_management(shape, "RNDM", '"' + str(insert) + '"', "VB")but to no avail. I keep getting only 1 value for all rows. I have looked at other resources, but the answer still eludes me (e.g. https://geonet.esri.com/thread/96917). This method is as well extremely slow.



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