Question: Write a function str_gram that returns the list of all n-grams (represented as strings) from a string s given some n. Example output: >>> str_gram(succotash,3)

Write a function str_gram that returns the list of all n-grams (represented as strings) from a string s given some n.

Example output:

>>> str_gram("succotash",3) ['suc', 'ucc', 'cco', 'cot', 'ota', 'tas', 'ash']

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