string to date time- suggestion required

[anna]

Hi All,

I am getting time as in this format '20180801194918.0', I want convert this to date time format.

below in the my code, but need suggestion

a = "20180801194918.0"
        year = a[:4]
        month = a[4:][:2]
        date = a[6:][:2]
        hours = a[8:][:2]
        mins = a[10:][:2]
        seconds = a[12:][:2]
        datetimes = year+"-"+month+"-"+date+" "+hours+":"+mins+":"+seconds
        print(datetimes)

Output:
2018-08-01 19:49:18