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Expected Behavior Write a function ngram (arglist, startpos, length) that returns the n-gram from arglist of length length starting at position startpos, if one exists;

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Expected Behavior Write a function ngram (arglist, startpos, length) that returns the n-gram from arglist of length length starting at position startpos, if one exists; and 1 otherwise. (The very first element of the list is at position 0. Negative positions refer to counting backwards from the end of the list.) Examples . Call: ngram ([11,22,33,44,55, o, 3) 2. Call: ngram([11,22,33,44,55], 2, 3) 3. Call: ngram([11,22,33,44,55], 3, 3) 4. Call: ngram( [11,22,33,44,55, -4, 3) Return value: [ 11 , 22, 33 Return value: [33,44,55] Return value: Return value: [22,33,44]

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