I have a small problem with this exercise.
I would like to give some feedback about this exercise, because I don't know, why tests don't pass. below I put my code and errors.
def isometric_strings(a, b): a1='' b1='' for i in range(len(a)-1): if a[i]==a[i+1]: a1+='+' else: a1+='-' for i in range(len(b)-1): if b[i]==b[i+1]: b1+='+' else: b1+='-' return a1==b1 if __name__ == "__main__": print("Example:") print(isometric_strings("add", "egg")) # These "asserts" are used for self-checking and not for an auto-testing assert isometric_strings("add", "egg") == True assert isometric_strings("foo", "bar") == False assert isometric_strings("","") == True assert isometric_strings("all", "all") == True assert isometric_strings("gogopy", "doodle") == False print("Coding complete? Click 'Check' to earn cool rewards!")
From: https://py.checkio.org/mission/isometric-strings/solve/
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