Answer
(a) students["susan"] = 5, This will add a new key "susan" and assign a value of 5 to it.
(b) students["peter"] = 5, This will update the value of existing key to 5
(c) students["peter"] += 5, This will add 5 to the value of the key "peter"
(d) del students["peter"], This will delete the key "peter" and it's value
The final value of dictionary will be {'john': 3, 'susan': 5}
Work Step by Step
No explanation needed.
