Informatics Practices
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The _________ function returns total number of key-value pairs in a dictionary.
Related Questions
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Keys of a dictionary must be _________.
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To delete an element, you can either use _________ statement or use _________ method.
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Accessing a value specified by a key, which is not in a dictionary using _________ function, returns None.
An element in a dictionary is a combination of key-value pairs.