Updates to Functional programming (empa-scientific-it#92)

baffelli · edoardob90 · yakutovicha · web-flow · commit fbe6c254c752 · 2023-04-26T21:38:05.000+02:00
Co-authored-by: Simone Baffelli &lt;simone.baffelli@empa.ch&gt;
Co-authored-by: Edoardo Baldi &lt;edoardob90@gmail.com&gt;
Co-authored-by: Aliaksandr Yakutovich &lt;yakutovicha@gmail.com&gt;
diff --git a/functional_programming.ipynb b/functional_programming.ipynb
@@ -1259,7 +1259,7 @@
     "    Hints:\n",
     "    <ul>\n",
     "        <li>\n",
-    "            The operator <code>%</code> (modulo) gives the remainder of division. <code>a % k</code> is 0 when a is a multiple of k. \n",
+    "            The operator <code>%</code> (modulo) gives the remainder of division. <code>a % k</code> is 0 when <code>a</code> is a multiple of <code>k</code>. For more information, consult the chapter on basic datatypes. \n",
     "        </li>\n",
     "        <li>\n",
     "            Write your function in the cell below inside of the <code>solution_exercise1</code> function. The function receives a list <code>l</code> as an input and should return another list\n",
@@ -1400,7 +1400,7 @@
    "source": [
     "### Exercise 5: Counting initials 🌶️🌶️🌶️\n",
     "\n",
-    "Given a list `w` of english words, write a function that counts how many words begin with each letter of the english alphabet and returns the result as a **alphabetically sorted** list of tuples `(letter, count)`. \n",
+    "Given a list `w` of English words, write a function that counts how many words begin with each letter of the English alphabet and returns the result as an **alphabetically sorted** list of tuples `(letter, count)`. We do not distinguish between uppercase and lowercase letters (\"A\" and \"a\" are considered the same).  \n",
     "\n",
     "\n",
     "<div class=\"alert alert-block alert-info\">\n",
@@ -1412,6 +1412,9 @@
     "        <li>\n",
     "            Write your function in the cell below inside of the <code>solution_exercise5</code> function. The function receives a list <code>w</code> as an input and should return another list\n",
     "        </li>\n",
+    "        <li>\n",
+    "            To ensure consistent capitalization you can use the <code>lower()</code> method of <code>str</code>\n",
+    "        </li>\n",
     "    </ul>\n",
     "<div>\n",
     "\n"
