import sys
import module
files = sys.argv[1:]
for filename in files:
try:
module.read_and_divide(filename)
except ZeroDivisionError:
print("ZeroDivisionError")
print(f"Cannot divide by 0 in file '{filename}'")
except Exception as err:
print(f"General error {err}")
print(f"Error class: {err.__class__.__name__}")
print('')
# before one.txt
# 100.0
# after one.txt
# before zero.txt
# ZeroDivisionError
# Cannot divide by 0 in file 'zero.txt'
# before two.txt
# General error [Errno 2] No such file or directory: 'two.txt'
# Error class: FileNotFoundError
# before three.txt
# 33.333333333333336
# after three.txt
Always try to handle the more specific exceptions first