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- def question5(k, text):
- current_len = 0
- letter = text[0]
- for i in range(1,len(text)):
- if text[i] == letter:
- current_len += 1
- else:
- letter = text[i]
- current_len = 1
- if current_len == k:
- print(letter*k)
- return
- print("no such substring")
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