Exception Handling

Exception Handling

try...except...else...finally statements

openApplication = None
try:
    openApplication = open('myApplication.txt', 'w')
    openApplication.write('My application for this lesson')

except OSError:
    print('Unable to open the application')

else:
    print('I dont even know at this point')

finally:
    if openApplication:
        openApplication.close()
    print('Application closed')

Output

I dont even know at this point
Application closed

# using Try- except. Attempting to divide by Zero
try:
    # Attempting to divide 10 by 0
    result = 10 / 0
except ZeroDivisionError:
    # Handling the ZeroDivisionError and printing an error message
    print("Error: Cannot divide by zero")
# This line will be executed regardless of whether an exception occurred
print("outside of try and except block")

Output

Error: Cannot divide by zero
outside of try and except block