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Diffstat (limited to 'dictionaries/script.rst')
| -rw-r--r-- | dictionaries/script.rst | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/dictionaries/script.rst b/dictionaries/script.rst index 63fca2a..31bc98e 100644 --- a/dictionaries/script.rst +++ b/dictionaries/script.rst @@ -35,6 +35,8 @@ Before we can proceed, start your IPython interpreter with the {{{ start ipython interpreter by issuing command ipython -pylab }}} +{{{ switch to next slide, Creating dictionary }}} + Let us start by creating an empty dictionary, type the following in your IPython interpreter. :: @@ -74,6 +76,8 @@ in the interpreter to see the content of the dictionary. Notice that in dictionaries the order cannot be predicted and you can see that the values are not in the order that we entered in. +{{{ switch to next slide, accessing elements }}} + Like in lists, the elements in a dictionary can be accessed using the index, here the index is the key. Try, :: @@ -153,14 +157,16 @@ It returned the ``list`` of values in the dictionary. exercise }}} Now let us try to print the data in the dictionary. We can use ``for`` -loop to iterate. +loop to iterate. Pause here and try to do it yourself. + +It can be solved as, :: for each in extensions.keys(): print each, "-->", extensions[each] -{{{ switch to next slide, recap }}} +{{{ switch to next slide, summary }}} This brings us to the end of this tutorial, we learned dictionaries and saw how to create an empty dictionary, build a dictionary with |