I have to make this exercise :
Design the function different. It consumes two (representations of
<http://www.ccs.neu.edu/home/matthias/HtDP2e/htdp2e-part1.html#%28counter._data-uni._%28exercise._struct9%29%29>)
three-letter words and creates a word from the differences. For each
position in the words, it uses the letter from the second word, if the
two are the same; otherwise it uses the marker "*". Note: The problem
statement mentions two different tasks: one concerning words and one
concerning letters. This suggests that you design two functions.
Im my opion I only need 1 function.
I use a cond to check if the letters are the same and if print the
letter otherwise print x .
Can anyone give me a tip what the second function can be.
Roelof
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