Re: Clarification of notation

2010-09-30 Thread Dave Angel
On 2:59 PM, Bruce W. wrote: So, this kind of notation would be different: args[0][2] verses args[[0][2]] the latter is multidimensional. Can you think of example of using this type of list? I don't know why this had me a bit confused. I've got to get into programming more... I had done mo

Re: Clarification of notation

2010-09-30 Thread Bruce W.
So, this kind of notation would be different: args[0][2] verses args[[0][2]] the latter is multidimensional. Can you think of example of using this type of list? I don't know why this had me a bit confused. I've got to get into programming more... I had done more in the past. Bruce Chriebe

Re: Clarification of notation

2010-09-29 Thread Terry Reedy
On 9/29/2010 10:32 PM, Bruce Whealton wrote: Would you, and could you combine a dictionary with a list in this fashion? A python list is a mutable sequence of Python objects. Extremely mixed example. >>> mixed = [1, 1.0, '1', [1], (1,), {1:1}, set((1,)), list, list.append] >>> mixed.append(m

Re: Clarification of notation

2010-09-29 Thread Chris Rebert
On Wed, Sep 29, 2010 at 7:32 PM, Bruce Whealton wrote: > Hello all, >         I recently started learning python.  I am a bit thrown by a certain > notation that I see.  I was watching a training course on lynda.com and this > notation was not presented.  For lists, when would you use what appears

Re: Clarification of notation

2010-09-29 Thread alex23
Bruce Whealton wrote: > For lists, when would > you use what appears to be nested lists, like: > [[], [], []] > a list of lists? Well, you'd use it when you'd want a list of lists ;) There's nothing magical about a list of lists, it's just a list with objects inside like any other, in this case

Re: Clarification of notation

2010-09-29 Thread Seebs
On 2010-09-30, Bruce Whealton wrote: > Next, from the documentation I see and this is just an example (this > kind of notation is seen elsewhere in the documentation: > str.count(sub[, start[, end]]) > This particular example is from the string methods. > Is this a nesting of two lists inside a

Clarification of notation

2010-09-29 Thread Bruce Whealton
Hello all, I recently started learning python. I am a bit thrown by a certain notation that I see. I was watching a training course on lynda.com and this notation was not presented. For lists, when would you use what appears to be nested lists, like: [[], [], []] a list of lists? W