Самый быстрый поезд

from decimal import *
 
n = int(input())
list_n = []
info = []
for i in range(n):
    data = str(input())
    depart = str(data[-11:-6])
    income = str(data[-5:])
    info.append(depart)
    info.append(income)
    list_n.append(data)
names = []
answers = []
for i in range(len(list_n)):
    first = list_n[i].find('"')
    second = list_n[i].rfind('"')
    all = list_n[i][first + 1:second]
    names.append(all)
for i in range(0, len(info), 2):
    hours1 = int(str(info[i][:2]))
    hours2 = int(str(info[i + 1][:2]))
    minutes1 = int(str(info[i][3:]))
    minutes2 = int(str(info[i + 1][3:]))
    final_time1 = hours1 * 60 + minutes1
    final_time2 = hours2 * 60 + minutes2
    if final_time2 > final_time1:
        fin = final_time2 - final_time1
    else:
        k = final_time2 - final_time1
        fin = k + 24 * 60
    an = fin / 60
    r = 650 / an
    ans = Decimal(str(r)).quantize((Decimal('1')))
    answers.append(ans)
f = max(answers)
klo = answers.index(f)
res = names[klo]
print(f'The fastest train is "{res}".')
print(f'Its speed is {f} km/h, approximately.')

…
    #an = fin / 60
    #r = 650 / an
    #ans = Decimal(str(r)).quantize((Decimal('1')))
    #answers.append(ans)
    answers.append(fin)
#f = max(answers)
f = min(answers)
klo = answers.index(f)
res = names[klo]
f = int(round(39000/f, 0))
"""
111 00:00 00:00
222 00:00 23:59
"""

def fun(s):
    h, m = s.split(':')
    return int(h)*60 + int(m)
 
times = 1441
for _ in range(int(input())):
    tmp = input().split()
    
    t = (fun(tmp[-1]) - fun(tmp[-2]))%1440 or 1440
    if t < times:
        times = t 
        names = ' '.join(tmp[:-2])
        
print(f'The fastest train is "{names}".')
print(f'Its speed is {int(round(39000/times, 0))} km/h, approximately.')

DIST_KM = 650
DAY_M = 24*60
 
def time_to_m(s):
    h,m = s.split(':')
    h = int(h)
    m = int(m)
    m += h*60
    return m
 
n = int(input('n = '))
dist_m_min = DAY_M * 2
name_min = None
for _ in range(n):
    s = input('name, start_time, finish_time->')
    name, q, times = s.rpartition('"')
    name += q
    start_time, finish_time = times.split()
    start_m = time_to_m(start_time)
    finish_m = time_to_m(finish_time)
    dist_m = (finish_m - start_m) % DAY_M
    if not dist_m:
        dist_m = DAY_M
    if dist_m < dist_m_min:
        dist_m_min = dist_m
        name_min = name
dist_h_min = dist_m_min/60
v = round(DIST_KM / dist_h_min)
print(f'The fastest train is {name_min}.')
print(f'Its speed is {v} km/h, approximately.')