Commit 093d639

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craigsdennis

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Adds boolean indexing reflection notes

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`@@ -847,6 +847,19 @@`
`847`	`847`	`"study_minutes[1, 1] = 360"`
`848`	`848`	`]`
`849`	`849`	`},`
	`850`	`+ {`
	`851`	`+ "cell_type": "markdown",`
	`852`	`+ "metadata": {},`
	`853`	`+ "source": [`
	`854`	`+ "## Boolean Array Indexing\n",`
	`855`	`+ "* You can create a boolean array by using comparison operators on an array.\n",`
	`856`	`+ " * You can use boolean arrays for fancy indexing.\n",`
	`857`	+ " * Boolean arrays can be compared by using bitwise operators (`&`, `\|`)\n",
	`858`	+ " * Do not use the `and` keyword.\n",
	`859`	`+ " * Remember to mind the order of operations when combining\n",`
	`860`	`+ "* Even though boolean indexing returns a new array, you can update an existing array using a boolean index."`
	`861`	`+ ]`
	`862`	`+ },`
`850`	`863`	`{`
`851`	`864`	`"cell_type": "code",`
`852`	`865`	`"execution_count": 44,`

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