Rock, Paper Scissor Game With Computer

import random
a='y'
while a=='y':
       ran=random.randint(0,2) 
       computer=1
       if ran==0:
             computer='rock'
       elif ran==1:
             computer='paper'
       elif ran==2:
             computer='scissors'
       player=input('Choose rock, paper or scissor: ')
        if player==computer:
               print('Its a Draw')
        elif player=='rock':
                if computer=='paper':
                       print('Computer hoose paper, Computer Wins!')
               else:
                       print('Computer Choose scissor, You Win!')
        elif player=='paper':
                if computer=='scissor':
                        print('Computer choose scissor, Computer Wins!') 
                else:
                       print('Computer Choose rock, You Win!')
        elif player=='scissors':
               if computer=='rock':
                       print('Computer choose rock, Computer Wins!')
               else:
                        print('Computer Choose paper, You Win!')
        a=input('Do you want to play more?Y/N : ')
        a=a.lower()