minor edits

Author: tomvannuenen

lessons/1_Functions_and_Conditionals.ipynb

@@ -248,7 +248,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Variables and \"Scope\"\n",
+    "## Variables and Scope\n",
     "\n",
     "Note how we've used the name `meters` twice above: both within the function definition, and for the variable that takes the output of the function. What's going on here?\n",
     "\n",
@@ -570,7 +570,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## 🥊 <span style=\"color:purple\">Challenge 3: Working With Comparison Operators </span>\n",
+    "## 🥊 Challenge 3: Working With Comparison Operators\n",
     "\n",
     "Select the `gdpPercap` column and apply a boolean mask to select all values higher than 800. Assign it to a variable with a name of your choosing."
    ]