def analysis(self, inventory):

"""

Computes two descriptive statistics of the inventory amounts associates

with each key in the inventory dictionary. Creates a new dictionary

that has the same keys as inventory, but the values are tuples with

min, max, total, and average information.

inventory: dictionary of items with the following keys and values

key: alphabetic string, type of item

value: list of non-negative integers, amounts on inventory for

a particular type of item

Returns: new dictionary

key: alhpabetic string, same as the key in inventory

value: tuple of four elements, corresponding to:

min, max, total, and average of inventory amounts.

Exammple

analysis({'table': [70, 90, 100], 'chair': [75, 95]}) returns

{'table': (70, 100, 260, 86.6), 'chair': (75, 95, 170, 85.0)}

"""

Assistance please. No idea where to start. Language is Python.