agents = []
agents.append(random.randint(0,99),random.randint(0,99)])
print(agents[0][0])

if random.random() < 0.5:
    agents[0][0] += 1
else:
    agents[0][0] -= 1
print(agents[0][0])

agents.append([random.randint(0,99),random.randint(0,99)])
print(agents[0][0])
print(agents[0][1])
agents.append([random.randint(0,99),random.randint(0,99)])

print(agents[0][0])
print(agents[0][1])