Update 06_Built-ins.ipynb

Cadherin · web-flow · commit 8757e023e657 · 2021-12-06T12:39:23.000-05:00
Replaced link to optional readings on classes, objects, etc. with this URL: https://docs.python.org/3/tutorial/classes.html https://www.jeffknupp.com/blog/2014/06/18/improve-your-python-python-classes-and-object-oriented-programming was reported to be no longer available.
diff --git a/Day_1/06_Built-ins.ipynb b/Day_1/06_Built-ins.ipynb
@@ -188,7 +188,7 @@
     "  - Everything that exists is an object.\n",
     "  - Everything that happens is a function call.\n",
     "  \n",
-    "Read more about objects, classes and methods [here](https://www.jeffknupp.com/blog/2014/06/18/improve-your-python-python-classes-and-object-oriented-programming)\n",
+    "Read more about objects, classes and methods [here](https://docs.python.org/3/tutorial/classes.html)\n",
     "\n",
     "Check out our Python glossary [here](https://github.com/dlab-berkeley/python-intensive/blob/master/Glossary.md)."
    ]

Original file line number	Diff line number	Diff line change
`@@ -188,7 +188,7 @@`
`188`	`188`	`" - Everything that exists is an object.\n",`
`189`	`189`	`" - Everything that happens is a function call.\n",`
`190`	`190`	`" \n",`
`191`		`- "Read more about objects, classes and methods [here](https://www.jeffknupp.com/blog/2014/06/18/improve-your-python-python-classes-and-object-oriented-programming)\n",`
	`191`	`+ "Read more about objects, classes and methods [here](https://docs.python.org/3/tutorial/classes.html)\n",`
`192`	`192`	`"\n",`
`193`	`193`	`"Check out our Python glossary [here](https://github.com/dlab-berkeley/python-intensive/blob/master/Glossary.md)."`
`194`	`194`	`]`