Question

How to calculate factorial() in for loop with try except error handling in Python

Answer 1

import math 
  
for i in [0, 1.0, 2.0, 3.0, 4.0, 3.14]:         
    try:             
      print('{:2.0f} {:5.0f}'.format(i, math.factorial(i)))         
    except ValueError as err:             
      print('Error calculate factorial({}): {}'.format(i, err))



'''
run:

0     1
1     1
2     2
3     6
4    24
Error calculate factorial(3.14): factorial() only accepts integral values

'''

 

70+ SQL courses for beginners and professionals