On Sat, Apr 6, 2019 at 4:11 AM Steve Barnes <gadgetst...@live.co.uk> wrote:
> > ipython > > Python 3.6.5 (v3.6.5:f59c0932b4, Mar 28 2018, 17:00:18) [MSC v.1900 64 bit > (AMD64)] > > Type 'copyright', 'credits' or 'license' for more information > > IPython 7.2.0 -- An enhanced Interactive Python. Type '?' for help. > > > > In [1]: [[False]*2]*5 > > Out[1]: > > [[False, False], > > [False, False], > > [False, False], > > [False, False], > > [False, False]] > > # Looks like exactly what was wanted > [ins] In [1]: x = [[False]*2]*5 [ins] In [2]: x Out[2]: [[False, False], [False, False], [False, False], [False, False], [False, False]] [ins] In [3]: x[1][1] = True [ins] In [4]: x Out[4]: [[False, True], [False, True], [False, True], [False, True], [False, True]] -- Juancarlo *Añez*
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