daviddoji/pytudes
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add files via upload

Browse Source
This commit is contained in:
Peter Norvig 2017-11-21 22:18:21 -08:00 committed by GitHub
parent 6c51ac830d
commit 778a236d14
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
ipynb/Snobol.ipynb
View File

@ -28,7 +28,7 @@
"\n", "\n",
"That would be around 40 to 60 lines of code; an easy task. But I noticed three interesting things about Snobol:\n", "That would be around 40 to 60 lines of code; an easy task. But I noticed three interesting things about Snobol:\n",
"\n", "\n",
"* There is an *indirection* operator, `$`, so if the variable `'word'` has the value `\"A\"`, then `'$word = i'` is the same as `'A = i'`.\n", "* There is an *indirection* operator, `$`, so if the variable `'X'` has the value `\"A\"`, then `'$X = i'` is the same as `'A = i'`.\n",
"* Uninitialized variables are treated as the empty string, so `'A += \"text\"'` works even if we haven't seen `'A'` before.\n", "* Uninitialized variables are treated as the empty string, so `'A += \"text\"'` works even if we haven't seen `'A'` before.\n",
"* When the program ends, the Snobol interpreter automatically\n", "* When the program ends, the Snobol interpreter automatically\n",
"prints the values of every variable, sorted alphabetically, as a debugging aid.\n", "prints the values of every variable, sorted alphabetically, as a debugging aid.\n",
@ -37,7 +37,7 @@
"\n", "\n",
"# The Concordance Solution\n", "# The Concordance Solution\n",
"\n", "\n",
"I ended up with a program similar to the following (translated from Snobol to Python augmented with `'$word'` indirection):" "I ended up with a program similar to the following (translated from Snobol to Python, but with `'$word'` indirection):"
] ]
}, },
{ {