Python's else statement is pretty versatile and can be used with more than just if conditionals. You can also use else with for and while loops, and also as part of a try / except block.

In the case of for and while loops, the else block executes if the main loop wasn't terminated by either a break statement, or an exception.

In the the case of try / except, the else block runs in the event that an exception wasn't encountered as part of the try block.

# Print whether or a not an integer is prime for all integers from 2 to 100
for dividend in range(2,101):
    divisor = 2

    while dividend >= divisor ** 2:
        result = dividend / divisor
        if result.is_integer():
            print(f"{dividend} is not prime")
            # Break the while loop when a number is proven non-prime
        divisor += 1

	# The else block runs if no break was encountered in the while loop
        print(f"{dividend} is prime")

Convert the user input to an integer value and check the user's age is
over 18 if the conversion is successful. Otherwise, print an error message.
    age = int(input("Enter your age: "))
    print ("Please only enter numerical characters.")

# The else block only runs if no exception gets raised
    if age < 18:
        print("Sorry, you're too young to watch this movie.")
        print("Enjoy the movie!")

You can read more about using else statements with loops in the official docs.