Задача 3

from random import randint
A =  [randint(-100, 100) for i in range(25)]
print(A) #для проверки

countP = 0 #положительные
countO = 0 #отрицательные

for i in range(len(A)):
    if A[i] > 0:
        countP += 1
    elif A[i] < 0:
        countO += 1

if countP > countO:
    print("+")
elif countP < countO:
    print("-")
elif countP == countO:
    print("=")