Re: [Tutor] Calling class from another class

2018-05-24 Thread Peter Otten
aishwarya selvaraj wrote: > Dear all, > I have created 2 classes in 2 separate files.File 1 named atcore_py.pyx > with class andorCameraSDK3, and file 2 with name AndorCameraGUI making > use of TKinter. > I was able to import andorCameraSDK3 into AndorCameraGUI, but I was not > able to do the

[Tutor] Nested use of replication operator on lists

2018-05-24 Thread boB Stepp
On Python-list Steve started a thread, "List replication operator" (https://mail.python.org/pipermail/python-list/2018-May/733513.html) and wrote the following: Python has a sequence replication operator: py> [1, 2]*3 [1, 2, 1, 2, 1, 2] Unfortunately, it is prone to a common "gotcha": py> x =

Re: [Tutor] Nested use of replication operator on lists

2018-05-24 Thread Danny Yoo
Each value in Python has an associated numeric address associated to it. We can probe for it: https://docs.python.org/3/library/functions.html#id For example: # >>> x = [1, 2, 3] >>> y = x[:] >>> id(x) 139718082542336 >>> id(y) 139718082556776 ##

Re: [Tutor] Nested use of replication operator on lists

2018-05-24 Thread Steven D'Aprano
On Thu, May 24, 2018 at 10:39:17PM -0700, Danny Yoo wrote: > Each value in Python has an associated numeric address associated to it. No they don't :-) Each object in Python has an arbitrary numeric ID associated with it. The Python language has no supported way to get the address of an object