Zeynel wrote: > I am trying to make this simple app for GAE. > > I get a string s that user enters in a form. > > I append that to an empty list L = [] then I test if the last saved > string is the same as the new string. If same, I write it on the same > column; if not the cursor moves to next column (I was trying to do > this with tables) and as long as the user types the same string the > cursor stays on the same column. If a new string is typed; a new > column is started; and so on. > > I asked the same question at Stackoverflow and HN with no good answers > so far. Maybe you can help. Thanks. > > http://news.ycombinator.com/item?id=1840335 > > http://news.ycombinator.com/item?id=1841536 > > http://stackoverflow.com/questions/4011728/conditional-statements-with- python-lists
>>> columns = [] >>> def add(s): ... if columns and columns[-1][0] == s: ... columns[-1].append(s) ... else: ... columns.append([s]) ... >>> while True: ... s = raw_input() ... if not s: break ... add(s) ... abc abc abc xy xy that's all, folks >>> columns [['abc', 'abc', 'abc'], ['xy', 'xy'], ["that's all, folks"]] >>> for row in range(max(len(c) for c in columns)): ... print " | ".join(c[row] if len(c) > row else " "*len(c[0]) for c in columns) ... abc | xy | that's all, folks abc | xy | abc | | -- http://mail.python.org/mailman/listinfo/python-list
