converting string to int using map dosen't include zero

Question

My input to this is in the format 07:05:09PM expected output:

19:05:09

output got:

19:5:9

def timeConversion(s):

    if "AM" in s:
        print(s[1:8])
    else:
        string=s.split(':')
        print(string)
        string.append(string[2][0:2])
        string.remove(string[2])
        print(string)
        date=list(map(int, string))
        print(date)
        a=date[0]+12
        b='%s:%s:%s' % (a, date[1], date[2])
        return b

My question is when I convert the date from string to int using map the zero is not picked up, is there any way to get the integer as such???

If you care about leading zeros, you're not treating your data as integers. You're treating it as sequences of characters, and you shouldn't be calling `int` at all. — user2357112, Oct 17 '17 at 17:13
Your problem isn't with `map`, it's with how you're formatting your string. I'd start there :) — bendl, Oct 17 '17 at 17:13

score 0 · Answer 1 · answered Oct 17 '17 at 17:15

If you don't want to use a custom function for formatting datetimes, you can get the intended output by formatting your string when you print it. Replace this line

b='%s:%s:%s' % (a, date[1], date[2])

with this:

b='%02d:%02d:%02d' % (a, date[1], date[2])

ralf htp · Answer 2 · 2017-10-17T17:26:41.340

there are functions for converting 24h to 12h time :

Load the string into a datetime object via strptime(), then dump via strftime() in the desired format:

from datetime import datetime
d = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
d  # d is a string '2016-04-28 07:46:32'
datetime.strptime(d, "%Y-%m-%d %H:%M:%S").strftime("%Y-%m-%d %I:%M:%S %p")
'2016-04-28 07:46:32 AM'

Note that the %I here is a 12-hour clock

Conversion of 24 hours date/time to 12 hours format and vice-versa

if you want to use your solution you can add leading zeros to integrs like in How to add Trailing zeroes to an integer :

numbers = [1, 19, 255]
numbers = [int('{:<03}'.format(number)) for number in numbers]

you can print leading zeros like in Display number with leading zeros

converting string to int using map dosen't include zero

2 Answers2