[알고리즘] 09. Time Conversion

Given a time in -hour AM/PM format, convert it to military (24-hour) time.

Note: Midnight is 12:00:00AM on a 12-hour clock, and 00:00:00 on a 24-hour clock. Noon is 12:00:00PM on a 12-hour clock, and 12:00:00 on a 24-hour clock.

Function Description

Complete the timeConversion function in the editor below. It should return a new string representing the input time in 24 hour format.

timeConversion has the following parameter(s):

• s: a string representing time in  hour format

Input Format

A single string  containing a time in -hour clock format (i.e.:  or ), where  and .

Constraints

• All input times are valid

Output Format

Convert and print the given time in -hour format, where .

Sample Input 0

07:05:45PM

Sample Output 0

19:05:45

답 : 
#!/bin/python3
import os
import sys
import re
#
# Complete the timeConversion function below.
#
def timeConversion(s):
    text = re.sub('[^A-Z]', '', s)
    if text == 'PM':
        timelist = re.findall('\d+',s)
        timelist[0] = int(timelist[0])
        if timelist[0] == 12:
            timelist[0] = '12'
        else: 
            timelist[0] += 12
        time = str(timelist[0])+':'+timelist[1]+':'+timelist[2]
    elif text == 'AM':
        timelist = re.findall('\d+',s)
        if timelist[0] == '12':
            timelist[0] = '00'
        time = str(timelist[0])+':'+timelist[1]+':'+timelist[2]
    return time
if __name__ == '__main__':
    f = open(os.environ['OUTPUT_PATH'], 'w')
    s = input()
    result = timeConversion(s)
    f.write(result + '\n')
    f.close()

12AM과 12PM을 잘 고려해서 만들어야했다!