05-lists.md: Add alt-text to 05-lists (#803)

neilf-csiro · web-flow · commit d0cdc493cad8 · 2020-03-06T08:45:51.000-06:00
* Add alt-text to Episode 5

* Correct line lengths for alt-text

* Correct typo &amp; phrasing of units of pepper
diff --git a/_episodes/05-lists.md b/_episodes/05-lists.md
@@ -179,8 +179,10 @@ does not.
 >
 > Here is a visual example of how indexing a list of lists `x` works:
 >
-> [![The first element of a list.
-> Adapted from @hadleywickham.](../fig/indexing_lists_python.png)][hadleywickham-tweet]
+> [![x is represented as a pepper shaker containing several packets of pepper. [x[0]] is represented
+> as a pepper shaker containing a single packet of pepper. x[0] is represented as a single packet of
+> pepper. x[0][0] is represented as single grain of pepper.  Adapted 
+> from @hadleywickham.](../fig/indexing_lists_python.png)][hadleywickham-tweet]
 >
 > Using the previously declared list `x`, these would be the results of the
 > index operations shown in the image:

Original file line number	Diff line number	Diff line change
`@@ -179,8 +179,10 @@ does not.`
`179`	`179`	`>`
`180`	`180`	> Here is a visual example of how indexing a list of lists `x` works:
`181`	`181`	`>`
`182`		`-> [![The first element of a list.`
`183`		`-> Adapted from @hadleywickham.](../fig/indexing_lists_python.png)][hadleywickham-tweet]`
	`182`	`+> [![x is represented as a pepper shaker containing several packets of pepper. [x[0]] is represented`
	`183`	`+> as a pepper shaker containing a single packet of pepper. x[0] is represented as a single packet of`
	`184`	`+> pepper. x[0][0] is represented as single grain of pepper. Adapted`
	`185`	`+> from @hadleywickham.](../fig/indexing_lists_python.png)][hadleywickham-tweet]`
`184`	`186`	`>`
`185`	`187`	> Using the previously declared list `x`, these would be the results of the
`186`	`188`	`> index operations shown in the image:`