Dear all,
I tried to store sets of parameter values for plotting in
dictionaries, but the dictionaries do not seem independent. If I
delete an entry in one, it disappears in the other one, too. Am I
doing something wrong or is this a bug? See the example session
below.
Thanks for your help already!
Stan
----------------------------------------------------------------------
| SAGE Version 3.1.4, Release Date: 2008-10-20 |
| Type notebook() for the GUI, and license() for information. |
----------------------------------------------------------------------
sage: var('a b c')
(a, b, c)
sage: pars = dict(a=1,b=2,c=3);pars
{'a': 1, 'b': 2, 'c': 3}
sage: pars1 = pars; pars1
{'a': 1, 'b': 2, 'c': 3}
sage: del pars1['c'];pars1
{'a': 1, 'b': 2}
sage: pars
{'a': 1, 'b': 2}
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