Apr 4, 2009 · Closed 9 years ago. Is the a short syntax for joining a list of lists into a single list ( or iterator) in python? For example I have a list as follows and I want to iterate over a,b and c.

In python, as far as I know, there are at least 3 to 4 ways to create and initialize lists of a given size: Simple loop with append: my_list = [] for i in range(50): my_list.append(0) Simple ...

What would be your preferred way to concatenate strings from a sequence such that between every two consecutive pairs a comma is added. That is, how do you map, for instance, ['a', 'b', 'c'] to 'a,...

I have a Python list variable that contains strings. Is there a function that can convert all the strings in one pass to lowercase and vice versa, uppercase?

With Python 2.7, I can get dictionary keys, values, or items as a list:

Oct 15, 2012 · 1538 First declare your list properly, separated by commas. You can get the unique values by converting the list to a set.

I'm wondering how to take user input and make a list of every character in it. magicInput = input ('Type here: ') And say you entered "python rocks" I want a to make it a list something like this

Aug 16, 2013 · How do I create a list of numbers between two values? For example, a list between 11 and 16: [11, 12, 13, 14, 15, 16]

13 There are several methods to convert string numbers in a list to integers. In Python 2.x you can use the map function:

If your list of lists comes from a nested list comprehension, the problem can be solved more simply/directly by fixing the comprehension; please see How can I get a flat result from a list …