Question: #Write function called sum_lists. sum_lists should take one parameter, which will be a list of lists of integers. sum_lists should return the sum of adding

#Write function called sum_lists. sum_lists should take one parameter, which will be a list of lists of integers.
sum_lists should return the sum of adding every number from every list.
#For example:

list_of_lists = [[1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12]]
sum_list(list_of_lists) -> 67

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