Chapter 14: Data Wrangling: Munging, Processing, …

Python and Persistence: Persisting objects in files: Pickle ... ('cityNames.csv', 'w', newline='') as csvfile: writer = csv.writer(csvfile, delimiter=',') for cityCode, cityName in cityCodeMap.items(): writer.writerow( [ cityCode, cityName] ) The method writerow() expects a list of values. Each value in the list will be convert to its string ... ................
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