Format a string using datetime parts in python

formatFilenameUsingDateTime.py

#assuming the date is 25-JAN-2018 at 01:30:52 
#the code below shouldPrint "AllPivots_20180125_0130"

from datetime import datetime
current = datetime.utcnow()
print(current)
year = str(current.year)
month = str(current.month).zfill(2)
day = str(current.day).zfill(2)
hours = str(current.hour).zfill(2)
minutes = str(current.minute).zfill(2)

fileName = "TableName_{year}{month}{day}_{hrs}{min}".format(year=year, month=month, day=day, hrs=hours, min=minutes)
print(fileName)