How to parse multiple times in python

I'm trying to parse a string read from a txt file. The line is :

(0 ,3) :5.0|(1 ,3) : -5.0

I need to firstly get (0,3) then 5, after splitting with "|" I need to get (1,3) and -5

At the end, I should have 2 list variable that holds the values seperately. The first list should have : (0,3) and (1,3) The second list should hold : 5,-5

What I tried:

goal_states, their_reward = lines[5].split("|"), lines[5].rsplit(':', 1)

What I get : ['(0,3):5.0|(1,3)', '-5.0']

Thank you in advance

P.S: I shouldn't use any import statement.

Hope this is what you want.

s = "(0 ,3) :5.0|(1 ,3) : -5.0"

def get_result(s: str) -> tuple:
    goals = []
    rewards = []
    
    for pair in s.split("|"):
        goal, reward = pair.split(":")

        goals.append(eval(goal.strip()))
        rewards.append(float(reward.strip()))

    return (goals, rewards)

print(get_result(s))

literal_eval method that @Sayse used is of course the straight forward way of doing it. But if you want to do a little bit of parsing you can do:

txt = "(0 ,3) :5.0|(1 ,3) : -5.0"
txt = txt.replace(" ", "")

goal_states = []
their_rewards = []
for i in txt.split('|'):  # ['(0,3):5.0', '(1,3):-5.0']
    a, b = i.split(':')
    _, n1, _, n2, _ = a    # `a` is something like '(0,3)'

    n1 = int(n1)
    n2 = int(n2)

    goal_states.append((n1, n2))
    their_rewards.append(int(float(b)))

print(goal_states)
print(their_rewards)

output:

[(0, 3), (1, 3)]
[5, -5]