class Solution: def solve(self , a): # write code here i = 0 while (i<len(a)): if a[i] != i: return i if i==len(a)-1: return i+1 i+=1
class Solution: def solve(self , a): # write code here i = 0 while (i<len(a)): if a[i] != i: return i if i==len(a)-1: return i+1 i+=1