I'm trying to generate an HTML table, from multiple lists.
There are 4 lists total, each of which *may* have a different length from the other lists.
Each list has been stored in a master dictionary.
North=[Bill, Bob, Sue, Mary] South=['Tim', ''Tom', 'Jim', 'John', 'Carl', 'Evan', 'Rich'] etc
d1={'North':North, 'South':South, 'East':East, 'West':West]
I want to iterate over all the lists a the same time, so I can populate an html table.
This is approximately what the HTML table should look like, but the lists can be in any order, top to bottom, and left to right.
South North East West
Tim Bill May Ellen Tom Bob Mick Jim Sue Ron John Mary Keith Carl Joey Evan Rich
Looking through my books on Python I've found examples for zip() and map() both of which have serious shortcomings
map(None, North, South, East West) does exactly what you want:
>>> North=['Bill', 'Bob', 'Sue', 'Mary']
>>> South=['Tim', 'Tom', 'Jim', 'John', 'Carl', 'Evan', 'Rich']
>>> map(None, North, South)
[('Bill', 'Tim'), ('Bob', 'Tom'), ('Sue', 'Jim'), ('Mary', 'John'), (None, 'Carl'), (None, 'Evan'), (None, 'Rich')]
That being, both of these functions can truncate the data, depending on certain conditions
I don't think that is true for map(); what conditions are you thinking of?
Kent
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