Question: Given these records in a map, how will you update the value for the key "Sinead" to 22?

1. `marks["Sinead"] = 22`
2. `marks["Sinead"].22`
3. `marks["Sinead"] -> 22`
4. `marks["Sinead"].value = 22`

Answer: The correct answer of the above question is Option A:`marks["Sinead"] = 22`