I have the following code:
zero = ('one','two','three','four')one = '1.0,4.5,5.5,*,2.5,2.8,5.3,*,1.75,4.0,5.75,*,1.0,4.1,5.1,*,2.25,4.75,7.0,*,2.2,5.4,7.6,*,3.0,3.0,6.0,*,1.2,3.55,4.75,*,1.5,4.66666666667,6.16666666667,*,2.0,3.0,5.0,*,1.5,4.33333333333,5.83333333333,*,2.33333333333,2.8,5.13333333333,*,1.5,4.0,5.5,*,1.0,4.66666666667,5.66666666667,*,1.5,3.0,4.5,*,2.5,3.5,6.0,*,1.33333333333,3.4,4.73333333333,*,2.0,3.0,5.0,*,1.5,2.2,3.7,*,3.0,2.7,5.7,*,'two = '2.8,*,2.6,*,3.66666666667,*,4.0,*,1.5,*,2.16666666667,*,2.2,*,2.5,*,2.83333333333,*,2.8,*,2.83333333333,*,2.0,*,1.75,*,3.0,*,3.0,*,1.4,*,3.75,*,1.6,*,3.5,*,2.8,*,'test = one, two = one.split("*,"),two.split("*,")print testprint("\n".join("".join(x) for x in zip(one,two)))This allows me to zip together my two lists to get an output that looks like this:
1.0,4.5,5.5,2.8,2.5,2.8,5.3,2.6,1.75,4.0,5.75,3.66666666667,1.0,4.1,5.1,4.0,2.25,4.75,7.0,1.5,2.2,5.4,7.6,2.16666666667,3.0,3.0,6.0,2.2,1.2,3.55,4.75,2.5,1.5,4.66666666667,6.16666666667,2.83333333333,2.0,3.0,5.0,2.8,1.5,4.33333333333,5.83333333333,2.83333333333,2.33333333333,2.8,5.13333333333,2.0,1.5,4.0,5.5,1.75,1.0,4.66666666667,5.66666666667,3.0,1.5,3.0,4.5,3.0,2.5,3.5,6.0,1.4,1.33333333333,3.4,4.73333333333,3.75,2.0,3.0,5.0,1.6,1.5,2.2,3.7,3.5,3.0,2.7,5.7,2.8,I have been trying a few different approaches to using a for loop to zip many lists together, but I'm not having any luck. Is zipping more than two lists together at once even possible, or is there a better way of achieving what I want?
Thanks
Best Answer
zip() takes a variable number of arguments. zip(one, two, three) will work, and so on for as many arguments as you wish to pass in.
>>> zip([1, 2, 3], "abc", [True, False, None])[(1, 'a', True), (2, 'b', False), (3, 'c', None)] If you have an unknown number of iterables (a list of them, for example), you can use the unpacking operator (*) to unpack (use as arguments) an iterable of iterables:
>>> iterables = [[1, 2, 3], "abc", [True, False, None]]>>> zip(*iterables)[(1, 'a', True), (2, 'b', False), (3, 'c', None)] (This is often referred to as unzipping as it will reverse the operation - a == zip(*zip(a)))
The zip function in Python is a useful tool for combining multiple lists into one. It takes multiple iterables as arguments and returns an iterator of tuples, where each tuple contains the corresponding elements from the input iterables.
To use the zip function, you simply pass the lists you want to zip as arguments. For example:
list1 = [1, 2, 3]list2 = ['a', 'b', 'c']zipped_list = list(zip(list1, list2))
print(zipped_list) # Output: [(1, 'a'), (2, 'b'), (3, 'c')]
The zip function can also be used with more than two lists. In such cases, the resulting tuples will contain elements from all of the input lists.
It's worth noting that the zip function stops when the shortest input iterable is exhausted. This means that if you pass lists of different lengths, the resulting zipped list will only contain tuples up to the length of the shortest list.