All pastes #194786 Raw Edit

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public python v1 · immutable
·published 2006-10-08 08:14 UTC
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def collapse_adjacent(s):    if len(s) == 0:        return ''    prev_char = ''    buffer = []    for i in range(len(s)):        curr_char = s[i]        if prev_char != curr_char:            buffer.append(prev_char)            prev_char = curr_char    buffer.append(curr_char)    return "".join(buffer)