leetcode 1507. Reformat Date

class Solution:
    def reformatDate(self, date: str) -> str:
        month=["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
        date=date.split()
        ans=date[2]+'-'+'%.2d'%(month.index(date[1])+1)+'-'+'%.2d'%(int(date[0][:-2]))
        return(ans)