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Diwakar Singh
933 Pointswhat is wrong with my code
str_ method
class Letter:
def __str__(self):
dot=''
dash=''
for item in self.pattern:
if(item=='.'):
if(self.pattern.index(item)==-1):
dot+= 'dot'
else:
dot+='dot-'
elif(item=='_'):
if(self.pattern.index(item)==-1):
dash+= 'dash'
else:
dash+='dash'
return dot+dash
def __init__(self, pattern=None):
self.pattern = pattern
class S(Letter):
def __init__(self):
pattern = ['.', '.', '.']
super().__init__(pattern)
1 Answer
Chris Freeman
Treehouse Moderator 68,454 PointsThere are two issues with the code. First, using index test is not sufficient to detect the last item in the pattern. A simpler solution would be to append with a hyphen in all cases, then return the pattern with the last hyphen removed.
The second issue is treating the dot strong and dash string separately then concatenating them. This will jumble the order of the pattern in the case of ['.', '_', '.']. Instead use a single string o append all the new bits.
Post back if you need more help. Good luck!!!