A Python script is also a custom tool that can run multiple geoprocessing tools along with their various parameters as part of an integrated process. However, unlike a model that does not require you to write programming code, Python scripts do. You must know the Python scripting language in order to create Python scripts. The following code is a small snippet of a Python script created for ArcGIS:
#--------------------------------------------------------------
# Name: Union Tool Sample Script
# Purpose: Runs the Union Geoprocessing tool from ArcGIS
# Author: Esri & Tripp Corbin
#
# Created: 09/15/2015
# Updated: 05/08/2020 by Tripp Corbin, GISP
#
# Usage: Union two feature classes
#---------------------------------------------------------------
# Import the system modules
import arcpy
# Sets the current workspace to avoid having to specify the full path
# to the feature classes each time
arcpy.env.workspace = "C:\\student...