$1.$Write a single line of code to import a function called 'data' from an external file titled 'Semester$1.$py$\text{'}.$

$2.$Write a single line of two to import and list called 'assignment$1\text{'}$ and a dictionary called 'students' from a file called 'ICS$3$U$.$py$\text{'}.$

$3.$ What is the missing word in the code below?

from tkinter import $*$

from semester$1$ import assignments

for item in xxxxx:

listbox.insert$($END$,$ item$)$

$4.$ Create a lambda expression that calls a function 'subtract' and passes in the variable $\text{'}$a$\text{'}$ as a parameter.