mdsrosa

import sys
def sum_minutes_to_date(str_date, minutes):
    date, hour = str_date.split(' ')
    day, month, year = date.split('/')
    day = int(day)
    month_start_with_0 = False

    if month.startswith('0'): month_start_with_0 =  True

    month = int(month)

mdsrosa

class Graph:
  def __init__(self):
    self.nodes = set()
    self.edges = defaultdict(list)
    self.distances = {}

  def add_node(self, value):
    self.nodes.add(value)

  def add_edge(self, from_node, to_node, distance):

mdsrosa

from collections import defaultdict, deque


class Graph(object):
    def __init__(self):
        self.nodes = set()
        self.edges = defaultdict(list)
        self.distances = {}

    def add_node(self, value):