Python for two lists

This question already has an answer here: How can I iterate through You can use the zip() function to pair up lists: for x, y in zip(a, b): Demo. For i, (x, y) in enumerate(zip(data1, data2)): In Python 2.x, you might want to use itertools.izip instead of zip, esp. for very long lists. Looping Through Multiple Lists Credit: Andy McKay Problem You need to Python Cookbook The loop runs two times. the third iteration simply is not done

18 Apr 2008 enumerate - Iterate over indices and items of a list¶. The Python Cookbook ( Recipe 4.4) describes how to iterate over items and indices in a list. 21 Jun 2001 Often you need to loop through every item of multiple lists and compare them. This can be done without a using a counter. Python, 21 lines.

12 Mar 2014 I.m new to Python and I.m wondering is there a way to streamline this clunky I run through two lists of binary numbers and if the same number. Python program that uses extend # Two lists. a = [1, 2, 3] b = [4, 5, 6] # Add all elements in list "b" to list "a." a.extend(b) # List "a" now contains six elements.

Python iterate over two lists simultaneously -

6 Aug 2013 New list from the elements of two lists popping sequentially *Yet it doesn.t look so elegant, but it.s a common pattern in Python, which is most. I need to use a for loop to loop through a list, and loop through another list, at the same time: for this in these, that in them:Something like that Only the syntax can. t be Two sets of strings splitted: stats = map(lambda astr.

Python, how to merge two lists horizontally, Nicholas TJ

Python provides methods that operate on lists. In this case we would say that the two lists are equivalent, because they have the same elements, but not. Python programs or scripts without lists and dictionaries are nearly can be turned into one list, containing (key,value)-tuples or two lists, i.e. one with the keys. Function to intersect two lists: List Intersect « List « Python.

There is a good list of so-called "hidden features" in Python on Stack Overload: numbers = {1:.one. 2:.two. 3:.three.} >>> print numbers.get(1,.Number not. Python, how to merge two lists horizontally. Posted: April 25, 2014 at 4:48 pm. Here is the scenario. I have a list A >> list_a = [1, 2, 3, 4]. and a list B >> list_b = [5.

15 Oct 2013 While working with FragIt I had to figure out whether two lists had some elements in common (it does not matter which!) and I came up with the.

Function to intersect two lists: List Intersect « List «

5 Sep 2013 One of the finest features of the Python language are the list. Compare these two versions – it.s really a pretty direct conversion. However. 1 Apr 2013 So, assume you.ve got a and b: two lists of integers. The goal is to merge these into one list, keeping whichever value is the largest at each. The best way is to convert both the lists to sets in linear time and then find the intersection like this [code python] set_1, set_2 = set(list_1), set(list_.