Make name one variable in lab assignment

labs/b3.md

@@ -517,24 +517,24 @@ order). If the phonebook has no entries, display `phonebook is empty`
 For example,
 
 ```bash
-$ ./phonebook new Linus Torvalds 101-110-0111
+$ ./phonebook new "Linus Torvalds" 101-110-0111
 $ ./phonebook list
 Linus Torvalds 101-110-1010
-$ ./phonebook new Tux Penguin 555-666-7777
-$ ./phonebook new Linus Torvalds 222-222-2222
+$ ./phonebook new "Tux Penguin" 555-666-7777
+$ ./phonebook new "Linus Torvalds" 222-222-2222
 $ ./phonebook list
 Linus Torvalds 101-110-1010
 Tux Penguin 555-666-7777
 Linus Torvalds 222-222-2222
 # OPTIONAL BEHAVIOR
-$ ./phonebook lookup Linus Torvalds 
+$ ./phonebook lookup "Linus Torvalds" 
 101-110-1010
 222-222-2222
 # ALTERNATIVE BEHAVIOR
-$ ./phonebook lookup Linus Torvalds
+$ ./phonebook lookup "Linus Torvalds"
 Linus Torvalds 101-110-1010
 Linus Torvalds 222-222-2222
-$ ./phonebook remove Linus Torvalds
+$ ./phonebook remove "Linus Torvalds"
 $ ./phonebook list
 Tux Penguin 555-666-7777
 $ ./phonebook clear
@@ -680,4 +680,4 @@ hello from python
 [7]: http://www-inst.eecs.berkeley.edu/~selfpace/python/
 [8]: https://cs61a.org
 [9]: https://docs.python.org/3/library/argparse.html
-[data8]: http://data8.org/
+[data8]: http://data8.org/