
Create list of single item repeated N times - Stack Overflow
Apr 16, 2024 · 826 I want to create a series of lists, all of varying lengths. Each list will contain the same element e, repeated n times (where n = length of the list). How do I create the lists, without using a …
Best and/or fastest way to create lists in python
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 ...
python - Convert a list with strings all to lowercase or uppercase ...
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?
python - How do I convert all of the items in a list to floats? - Stack ...
How can I collect the results of a repeated calculation in a list, dictionary etc. (or make a copy of a list with each element modified)? (3 answers)
python - How to convert list to string - Stack Overflow
Apr 11, 2011 · str(anything) will convert any python object into its string representation. Similar to the output you get if you do print (anything), but as a string.
Get unique values from a list in python - Stack Overflow
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.
How do I return dictionary keys as a list in Python?
With Python 2.7, I can get dictionary keys, values, or items as a list:
python - How do I make a flat list out of a list of lists? - Stack Overflow
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 …
python - How do I create a list with numbers between two values ...
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]
join list of lists in python - Stack Overflow
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.