In [1]: results =[0,0,0]
In [2]: while True:
...: try:
...: nb = input("Enter You\'r Number ?: ").lower()
...: if nb != 'done':
...: results[0] += int( nb) #total
...: results[1] += 1 #counts
...: results[2] = round(results[0] / results[1], 1)
...: #print('Total : ' , results[0], ', Counts : ', results[1], ', Averages : ', results[2])
...: elif nb == 'done':
...: print('\n You\'r results.. ','Total : ' , results[0], ', Counts : ', results[1], ', Averages : ', results[2])
...: print('\n Thank You & Goodbye')
...: break
...: else:
...: print('Oops..., Something Went Wrong')
...: except Exception as e :
...: print('Invalid Input, Try Again ..')