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Alex Rivera
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I have an empty dictionary. Name: dict_x It is to have keys of which values are lists. From a separate iteration, I obtain a key (ex: key_123 ), and an item (a tuple) to place in the list of dict_x 's value key_123 . If this key already exists, I want to append this item. If this key does not exist, I want to create it with an empty list and then append to it or just create it with a tuple in it. In future when again this key comes up, since it exists, I want the value to be appended again. My code consists of this: Get key and value. See if NOT key exists in dict_x . and if not create it: dict_x[key] == [] Afterwards: dict_x[key].append(value) Is this the way to do it? Shall I try to use try/except blocks?
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