Padlock Code Challenge #5

padlock-lockedWelcome to our new series of padlock code breaking challenges.

For each of these challenges you will need to write a computer program to work out the padlock code (3-digit number). Your program will need to output the solution of the given hint. You will then be able to input this combination onto the padlock to see if it unlocks it!

Padlock Hint

code = Total number of 3-digit combinations where at least two digits are equal.

e.g. 030 and 558 count as valid combinations whereas 123 or 468 are invalid combinations.


Python Code

Use the trinket below to write a program to solve the above hint.


Input the combination on the padlock below and click on “Unlock?” to test your combination.

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