String format method with a thousand-separator syntax for numbers
It inserts commas between three-digit groups.
print( '{0:d}'.format(999999999999) ) print( '{0:,d}'.format(999999999999) ) print( '{:,d}'.format(999999999999) ) print( '{:,d} {:,d}'.format(9999999, 8888888) ) print( '{:,.2f}'.format(296999.2567) )