Problem 4 Find the running time equation, T(n), of this program. Note: list's pop method takes 1 step. \# Input: L is a list with n numbers; x is a number, \# def prob4 (L,x) : if L=[] : return 0 count =0 if L[0]=x: for y in L : if y=x: L.pount +=1 return count + prob4 (L,x)