Help for Brian J | Python Fiddle

import os, fnmatch, arcpy

arcpy.env.workspace = r'C:\Users\sysadmin\Desktop\DataMagement\Comp_3\SA_MGCP3.gdb'

fcToClip = r'C:\Users\sysadmin\Desktop\DataMagement\SA.shp'

# For each name
for shapefileName in ('AAA010', 'LAQ075', 'OtherRandomName'):
    # Initialize an empty list that will store the paths to shapefiles
    filesMatched = list()
    
    # Recursively search through all subdirectories under 'MGCP_Raw'
    for root, subfolders, files in os.walk (r'C:\Users\sysadmin\Desktop\DataMagement\MGCP_Raw'):
        # In the current subdirectory, get a list of any shapefiles in it that match the current name
        for f in fnmatch.filter(files, '{}.shp'.format(shapefileName):
            # Add that shapefile's path, if it exists, to the tally list of shapefile paths
        	filesMatched.append(os.path.join(root,f))
    
    # If there are any shapefiles in the list
    if len(filesMatched) > 0:
    	# Set the paths for our output feature classes - they will be named the same as our search
        #	string, along with an underscore and a description of what's been done to it
    	fcMerged = '{}_Merged'.format(shapefileName)
        fcClipped = '{}_Clipped'.format(shapefileName)
        # Merge and then clip the features
    	arcpy.Merge_management(filesMatched, fcMerged)
    	arcpy.Clip_analysis(fcMerged, fcToClip, fcClipped)

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