Нахождение самого младшего и самого старшего человека из txt

code=open("new 1.txt", "r",-1,"utf-8")
info=code.readlines()
print(info)
code.close()

code=open("new 1.txt", "r",-1,"utf-8")
info=code.readlines()
code.close()
for q in info:
#здесь как-то нужно произвести сравнение на самого младшего 
for w in info:
#здесь для самого старшего
print("Самый младший",q)
print("Самый старший", w)

def get_date(txt):
    y = '20' + txt[1:3]
    m = txt[3:5]
    d = txt[5:7]
    return datetime(*(map(int, (y, m, d))))

>>> y = datetime.datetime(2001, 2, 19, 0, 0)
>>> x = datetime.datetime(2001, 2, 18, 0, 0)
>>> z = datetime.datetime(2001, 2, 17, 0, 0)
>>> max((x, y, z))
datetime.datetime(2001, 2, 19, 0, 0)
>>> min((x, y, z))
datetime.datetime(2001, 2, 17, 0, 0)

from datetime import datetime, timedelta
 
dateList = []
fn = r'f:/guys.txt'
with open(fn) as f:
    onstring = f.readlines()
    for line in onstring:
        for date in line:
            date = line[0:12]
            borndate = date[1:7]
            year = '20' + borndate[0:2]
            month = borndate[2:4]
            day = borndate[4:6]
        fullDate = datetime(*(map(int, (year, month, day))))
        dateList.append(fullDate)
        bigDate = max(dateList).date().strftime('%Y%m%d')
        smallDate = min(dateList).date().strftime('%Y%m%d')
        strBigDate = bigDate[2:8]
        strSmallDate = smallDate[2:8]
    print(onstring)
    print(strBigDate)
    print(strSmallDate)
    for guy in onstring:
        if strBigDate in guy:
            print("Самый старший", guy)
        elif strSmallDate in guy:
            print("Самый младший", guy)

from datetime import date
 
txt = """50001170299 Nikita Kuznecov
50102184262 Mihail Smirnov
50203198956 Edgar Fedorov
50304205654 Semjon Volkov
50405214987 Vadim Alekseev"""
 
data = txt.split('\n')
 
dct = {}
 
for d in data:
    tmp, name, sname = d.split()
    dt = tmp[1:7]
    y = '20' + dt[0:2]
    m = dt[2:4]
    d = dt[4:7]
    dt = date(*map(int, (y, m, d)))
    dct[dt] = ' '.join((name, sname))
 
print(dct[max(dct.keys())])
print(dct[min(dct.keys())])

def parse(line):
    line = line.split()
    name = ' '.join(line[1:])
    line_bir = line[0][1:7]
    birthday = [int(line_bir[i:i+2]) for i in range(0, len(line_bir), 2)]
    birthday.append(name)
    return birthday
                 
with open('test.txt') as f_in:
    data = sorted([parse(line) for line in f_in.readlines()])
print(f'старший {data[0][-1]}')
print(f'младший {data[-1][-1]}')