#Import the module that give us access to work with files. Allows us to manage the file-related input. from io import open # We open the txt document containing the games input=open('input.txt','r') # We read the text inside distinguishing by lines text=input.readlines() # Close the txt file to be able to work on the text without having the file open. input.close() del(input) bag={'red':12,'green':13,'blue':14} data=[] # Separamos el ID del juego con las combinaciones posibles for line in text: secuencias=line.strip().replace("Game ","").split(":") id=int(secuencias[0]) game=secuencias[1] plays=game.split(";") rounds=[] for intento in plays: cubes=intento.split(",") colores={'red':0,'green':0,'blue':0} for elemento in cubes: split_element=elemento.split(" ") del(split_element[0]) numero=int(split_element[0]) color=split_element[1] colores[color]=numero rounds.append(colores) data.append([id,rounds]) count=0 for game in data: id=game[0] rounds=game[1] is_valid=True for round in rounds: if round['red']<=bag['red'] and round['green']<=bag['green'] and round['blue']<=bag['blue']: is_valid=True else: is_valid=False break if is_valid: count+=id print(count)