index « array « Python Data Type Q&A

1. Populating a list/array by index in Python?    stackoverflow.com

Is this possible:

myList = []

myList[12] = 'a'
myList[22] = 'b'
myList[32] = 'c'
myList[42] = 'd'

# IndexError: list assignment index out of range #

2. long-index arrays in python    stackoverflow.com

I'm attempting to shorten the memory footprint of 10B sequential integers by referencing them as indexes in a boolean array. In other words, I need to create an array of 10,000,000,000 ...

3. Excluding last element in 0-based indexing    stackoverflow.com

Once when I was reading some python docs I came across a reference to an article that explained why programming languages with 0-based indexing should always exclude the last element during ...

4. Double linking array in Python    stackoverflow.com

Since I'm pretty new this question'll certainly sound stupid but I have no idea about how to approach this. I'm trying take a list of nodes and for each of the nodes ...

5. How to output an index while iterating over an array in python    stackoverflow.com

I am iterating over an array in python:

for g in [ games[0:4] ]:
    g.output()

6. Accessing later index in array using enumerate(array) Python    stackoverflow.com

hey guys, how would you access an array from array[n] in an array of 100 floats in this for loop (i need the enumerate):

for index,value in enumerate(array):
    #do ...

7. Calling functions by array index in Python    stackoverflow.com

I have a bunch of functions in Python out1, out2, out3 etc. and would like to call them based on an integer I pass in.

def arryofPointersToFns (value):
    ...

8. Python : Hangmangame IndexError: list assignment index out of range    stackoverflow.com

I am having a look at python but I seem to have ran into a problem : I have two arrays, one with every letter of a string I randomly got ...

9. How to get indices of a sorted array in Python    stackoverflow.com

I have a numerical list: myList = [1, 2, 3, 100, 5] Now if I sort this list to obtain [1, 2, 3, 5, 100]. What I want is the indices of ...

10. How can i get a permutation given indexes?    stackoverflow.com

I've got a list of objects:

array = [object0,object1,object2,object3,object4]

permutation = [ 2 , 4 , 0 , 1 , 3 ...

11. Python: implement list-like index access    stackoverflow.com

I'd like to be able to access some values of a python object using array-like syntax, ie:

obj = MyClass()
zeroth = obj[0]
first = obj[1]

12. Fixing array indices in Python    stackoverflow.com

I'd like to have arrays that start from say an index of 4 and go to 9. I'm not interested in creating memory space for < 4, so how is best ...

13. arrays, indexing, double for-loop    python-forum.org

14. indexing 2d lists or arrays    python-forum.org

This will probably turn out to be a simple problem: Is there a command to find the index of an element within a 2d list or array? E.G: a = ([2, 3, 6], [7, 3, 5], [5, 9, 2], [3, 1, 6]) The index of the maximum element in this 2d list is [2, 1] (the 9). If this were a ...