Question 7) a) Fill in the expected output. (5 points) Python command Expected output str1 "FDU" print(str) str2 = 3.str1 print(str2) print(str210) print(str213)) print(str213:]) b) Consider the following definitions and answer the questions (10 points) def square_ root (x) return math.sget (x) def print val (x) print x) return i) What happens when you type in: print_val (square_root (4)) ii) nichf the following are valid statements? True or False (ie Valid or Not-valid) Statement ysquare root(49.0) square root(10)=z y 1.0+square_root( 1440) = square root) |y square root(9.0) y = 1 + print val(90) print val 10) y=square root(square root(16.0) str3 = 'ABC' z = str3"square root(4)