Final answer:
The function update_table increases each item in a table by 3.
Step-by-step explanation:
The function udpate_table can be defined as:
def update_table(table):
for i in range(len(table)):
for j in range(len(table[i])):
table[i][j] += 3
After calling the update_table function with table1, it will be updated to:
[[3, 4, 5, 6], [4, 5, 6, 7], [5, 6, 7, 8], [6, 7, 8, 9]]
Similarly, table2 will be updated to:
[[5, 6], [4, 6], [5, 7], [8, 9]]