#!/usr/bin/python3
import random
import math
lst=[]
def main():
    global lst
    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__=="__main__":
	main()