2020-02-10-exam

DavidLeoni · Mar 4, 2020 · 82a5577 · 82a5577
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diff --git a/exams/2020-02-10/exam-2020-02-10-solution.ipynb b/exams/2020-02-10/exam-2020-02-10-solution.ipynb
@@ -2,7 +2,7 @@
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@@ -273,7 +273,7 @@
     "\n",
     "First, you will begin with parsing an excerpt of wordnet `data/dogs.noun`, which is a noun database shown here in its entirety.\n",
     "\n",
-    "[According to documentation](https://wordnet.princeton.edu/documentation/wndb5wn), a noun database begins with several lines containing a copyright notice, version number, and license agreement: these lines all begin with two spaces and the line number like \n",
+    "[According to documentation](https://wordnet.princeton.edu/documentation/wndb5wn), a noun database begins with several lines containing a copyright notice, version number, and license agreement: these lines all begin with **two spaces** and the line number like \n",
     "\n",
     "```\n",
     "  1 This software and database is being provided to you, the LICENSEE, by  \n",
@@ -364,7 +364,7 @@
     "While parsing, skip the copyright notice. Then, each name definition follows the following format:\n",
     "\n",
     "```\n",
-    "synset_offset  lex_filenum  ss_type  w_cnt  word  lex_id  [word  lex_id...]  p_cnt  [ptr...]   |   gloss \n",
+    "synset_offset lex_filenum ss_type w_cnt word lex_id [word  lex_id...] p_cnt [ptr...] | gloss \n",
     "```\n",
     "\n",
     "* `synset_offset`: Number identifying the synset, for example `02112993`. **MUST be converted to a Python int**\n",
@@ -419,6 +419,22 @@
     "    - `pos`: just parse it as a string (we will not use it)\n",
     "    - `source/target`: just parse it as a string (we will not use it)\n",
     "\n",
+    "<div class=\"alert alert-warning\">\n",
+    "    \n",
+    "**WARNING: DO NOT** assume first pointer is an `@` (_IS A_) !!\n",
+    "\n",
+    "In the full database, the root synset _entity_ can't possibly have a parent synset:<br/><br/>\n",
+    "\n",
+    "\n",
+    "```\n",
+    "\n",
+    "\n",
+    "0        1  2 3  4      5 6   7 8        9 10   11 12      13 14   15 16       17 18\n",
+    "00001740 03 n 01 entity 0 003 ~ 00001930 n 0000 ~ 00002137 n  0000 ~  04431553 n  0000 | that which is perceived or known or inferred to have its own distinct existence (living or nonliving)\n",
+    "\n",
+    "```\n",
+    "</div>\n",
+    "\n",
     "* `gloss`: Each synset contains a gloss (that is, a description). A gloss is represented as a vertical bar (`|`), followed by a text string that continues until the end of the line. For example, `a large breed having a smooth white coat with black or brown spots; originated in Dalmatia`"
    ]
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@@ -431,7 +447,7 @@
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@@ -446,17 +462,12 @@
     "    with open(filename, encoding='utf-8') as f:\n",
     "        line=f.readline()\n",
     "        r = 0\n",
-    "        while r < 28:\n",
+    "        while line.startswith('  '):\n",
     "            line=f.readline()\n",
     "            #print(line)\n",
     "            r += 1\n",
     "\n",
     "\n",
-    "        # 0        1  2 3  4      5 6   7 8        9 10   11 12      13 14  15 16      17 18\n",
-    "        # 00001740 03 n 01 entity 0 003 ~ 00001930 n 0000 ~ 00002137 n 0000 ~ 04431553 n 0000 | that which is perceived or known or inferred to have its own distinct existence (living or nonliving)\n",
-    "\n",
-    "        line=f.readline()\n",
-    "\n",
     "        while line != \"\":\n",
     "            i = 0\n",
     "\n",
@@ -509,7 +520,7 @@
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@@ -942,7 +953,7 @@
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@@ -999,7 +1010,7 @@
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@@ -1036,7 +1047,7 @@
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@@ -1111,7 +1122,7 @@
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@@ -1860,7 +1871,7 @@
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    "toc_position": {},
    "toc_section_display": true,
-   "toc_window_display": true
+   "toc_window_display": false
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diff --git a/index.ipynb b/index.ipynb
@@ -449,7 +449,12 @@
    "source": [
     "## News\n",
     "\n",
-    "**10 February 2020 - Published 2020-02-10 exam** [solutions](exams/2020-02-10/exam-2020-02-10-solution.ipynb)\n",
+    "**4 March 2020 - Pulished 2020-02-10 exam results**\n",
+    "\n",
+    "- [detailed grades](http://davidleoni.it/etc/spex/exams/2020-02-10-public-grades.html)\n",
+    "- [corrections](https://drive.google.com/open?id=1CBVHvf2gBrB7tCym2iDgTDIRPO8dSV-r)\n",
+    "- [solutions](exams/2020-02-10/exam-2020-02-10-solution.ipynb)\n",
+    "\n",
     "\n",
     "31 January 2020 - Published 2020-01-23 exam results\n",
     "\n",

diff --git a/past-exams.ipynb b/past-exams.ipynb
@@ -8,9 +8,9 @@
     "\n",
     "\n",
     "\n",
-    "## 2018-19 (Data science)\n",
+    "## Data science\n",
     "\n",
-    "**NOTE**: 19-20 exams will be very similar to these,  the only difference being that **you will also get an exercise on Pandas.**"
+    "**NOTE**: 19-20 exams are very similar to 18-19,  the only difference being that **you might also get an exercise on Pandas.**"
    ]
   },
   {