Retrieve a value from a #Python dict with the key: d = {'a':10, 'b':20} d['a'] # returns 10 Request a key that doesn't exist: d['x'] # KeyError Avoid that with dict.get, what I call "forgiving []" d.get('a') # 10 d.get('x') # None d.get('x', 0) # returns 0

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