#!/usr/bin/python3
import random
import math
lst=[]
def main():
        global list
        lst=[round(random.uniform(10,100),2) for _ in range(20)]
        total=0.0
        count=0
        for num in lst:
            total+=num
            count+=1
            if total>=500:
                break
        print ("Λίστα:",lst)
        print ("Count:",count)
        print ("Sum:",total)

if __name__=="__nain_-":
        main()