lambda и split

str1 = "13.07 +15"
str2 = "12.05 +20"
str3 = "11.05 +25"
str1M = str1.split(' ')
str2M = str2.split(' ')
str3M = str3.split(' ')
def sorting(string):
    splitup = string[0].split('.')
    return splitup[1], splitup[0]
str4all = [str1M, str2M, str3M]
str4all.sort(key=sorting)
mid = round(eval(str1M[1] + str2M[1] + str3M[1]) / 3, 2)
print(str4all[0][0], str4all[0][1], eval(repr(-mid) + str4all[0][1]))
print(str4all[1][0], str4all[1][1], eval(repr(-mid) + str4all[1][1]))
print(str4all[2][0], str4all[2][1], eval(repr(-mid) + str4all[2][1]))

def temp(val):
    return int(val)*-1 if '-' in val else int(val)
 
n = int(input('количество дней для ввода > '))
data = {}
mean = 0
 
for _ in range(n):
    key,val = input().split()
    data[key] =val
    mean += temp(val)
    
mean = round(mean//n, 2)
for key in sorted(data, key = lambda x : list(map(int, x.split('.')))[::-1]):
    val = data[key]
    print(f'{key} {val} {temp(val) - mean}')

n = int(input('количество дней для ввода > '))
data = {}
mean = 0
 
for _ in range(3):
    key,val = input().split()
    data[key] =val
    mean += int(val)
    
mean = round(mean//3, 2)
for key in sorted(data, key = lambda x : list(map(int, x.split('.')))[::-1]):
    val = data[key]
    print(f'{key} {val} {int(val) - mean}')

key = lambda x : list(map(int, x.split('.')))[::-1]

data = [input('дата > ').split() for _ in range(int(input('дни > ')))]
mean = round(sum(map(lambda x : int(x[1]),data)) / len(data), 2)
print(*('{} {}'.format(' '.join(i),  int(i[1]) - mean) for i in sorted(data, key = lambda x : list(map(int,x[0].split('.')[::-1])))),sep = '\n')