Dictionary o Write a function, which find all elements with specified key; make sure to account for the case where given dictionary is a dict of dicts; this function should traverse all elements of inner dict elements; function returns resulted tuple of key, value pairs or such elements function signature: find(input_dict) o Write a function, which returns the key, corresponding to the min value from given dictionary; for example, with {"NYC: 10, BST: 20, TYU: 5} input dictionary, this function returns TYU"; function signature: min_value(input_dict)