In python

4. Show the results of evaluating each of the following string expressions, given that s1 - "spam" and s2 - "ni!" a) "The knights who say, " + s.2 b) 3*s1+2*s2 c) s1[1] d) s1[1:3] e) s1[2]+s21:2] f) s1 s2-1] g) s1.upper() h) s2.upper().ljust(4)*3