Chapter 14 - Tuples, Sets, and Dictionaries - Section 14.6 - Dictionaries - Check Point - MyProgrammingLab - Page 492: 14.25

The difference between d[key] and d.get(key) is that d[key] will raise KeyError exception if the key is not found in the dictionary but d.get(key) will not give any error, instead it will return None if key is not present in the dictionary.

Same as above.