how to display custom error message in python code example

Example 1: how to print error in try except python

try:
  # some code
except Exception as e:
	print("ERROR : "+str(e))

Example 2: python try catch

try:
  # Dangerous stuff
except ValueError:
  # If you use try, at least 1 except block is mandatory!
  # Handle it somehow / ignore
except (BadThingError, HorrbileThingError) as e:
  # Hande it differently
except:
  # This will catch every exception.
else:
  # Else block is not mandatory.
  # Dangerous stuff ended with no exception
finally:
  # Finally block is not mandatory.
  # This will ALWAYS happen after the above blocks.