student = {
    "name":"Mark",
    "student_id":15163,
    "feedback" : None
}

student["last_name"] = "Kowalski"
try:
    last_name = student["last_name"]
    numbered_last_name = 3 + last_name
except KeyError:
    print("Error finding last_name")
except TypeError as error:
    print("Can not add")
    print(error)
except Exception:
    print("Unknown Error")
print("I am here")

