Answer: 1

[michalgrzegorczyk-dev]

Checklist for challenge submission

• [x] Start your PR message with Answer:${challenge_number}

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[michalgrzegorczyk-dev]

Hi, I skipped city card part, because student and techer cards are enough :D (I think). Waiting for the review, thanks!

[tomalaforge]

Very good exercice, You did it very well with a great use of signals. Great job

[michalgrzegorczyk-dev]

Thanks!