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#mport arcpy
inFeatures = "schools"
fieldName = "ref_ID"
fieldPrecision = 9
fieldAlias = fieldName
fieldName2 = "status"
fieldLength = 10
# LONG AddField
arcpy.AddField_management(inFeatures, fieldName, "LONG", fieldPrecision, field_alias=fieldAlias, field_is_nullable="NULLABLE")
# TEXT AddField
arcpy.AddField_management(inFeatures, fieldName, "text", field_length=fieldLength, field_is_nullable="NULLABLE")