please use jupyter notebook

Q1 part A

write a code to add item 7000 after 6000 in the following python list

Expected output:

[10, 20, [300, 400, [5000, 6000], 500], 30, 40]

part b

Remove all occurrences of a 20 iteam from a list

expected output:

[5, 15, 25, 50]

part c

Insert 1 at index 2 for list 'A' below

M nums_list =[10,20,[300,400,[5000,6000],500],30,40] \[ \text { M nums_list2 }=[5,20,15,20,25,50,20] \] H A=[4,7,5]