901. Online Stock Span

class StockSpanner(object):

    def __init__(self):
        self.list1=[]
        self.m=1
        self.l=0
        self.dict1={}
    def next(self, price):
        if self.l==0:
            self.list1.append(price)
            self.l+=1
            return self.m
        else:

            if self.list1[-1]>price:
                self.dict1[self.list1[-1]]=self.m
                self.m=1
                self.list1.append(price)
                self.l+=1
                return self.m
            else:
                ans=1
                self.dict1[self.list1[-1]]=self.m
                while self.l>0 and self.list1[self.l-1]<=price:
                   
                    ans+=self.dict1[self.list1[self.l-1]]
                    
                    self.list1.pop()
                    self.l-=1
                    
                self.m=ans
                self.list1.append(price)
                self.l+=1
                return ans