With a file named "name.csv", that contains the following,
name,serial
ap1,xxx
ap2,yyy
ap3,zzz
You can use the following
#! /usr/bin/env python3
import meraki
import csv
def main():
    dashboard = meraki.DashboardAPI(suppress_logging=True)
    with open("name.csv") as csvfile:
        ap = csv.DictReader(csvfile, delimiter=',')
        for row in ap:
            # print(row['name'],row['serial'])
            print("Updating:",row['serial'])
            response = dashboard.devices.updateDevice(
                row['serial'], 
                name=row['name'], 
            )
            if response['name'] is row['name']:
                print("Success!")
if __name__ == "__main__":
    main()
					
				
			
			
				
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