Zmiany
/* Preparation: recognition of the background colour by the sprite */
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'''We ask the following question:''' Where should we place these instructions? <br/>
Together with the students we think about where the instructions should be placed. We should come to the conclusion that the script '''when <up arrow> key is pressed''', which causes the movement of the character, needs to be modified because only when the character moves can it enter a forbidden colour. <br/>
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