diff --git a/content/Miscellaneous/offline_book.md b/content/Miscellaneous/offline_book.md
index a86f21fe1658dd57616d0f3e144a27c1f76cef25..ee7cf40a7d171e71e9ba55f4b86eb366766c3168 100644
--- a/content/Miscellaneous/offline_book.md
+++ b/content/Miscellaneous/offline_book.md
@@ -4,8 +4,8 @@ If you expect that you will have limited access to internet and would like to re
 - the files are intended only for MUDE students; do not share them with others
 - some interactive features will not work (for example, the Python code)
 
-_This version was created on December 18, 2024. Older versions have been deleted._
+_This version was created on December 19, 2024. Older versions have been deleted._
 
-[Click here to download the book, but note --> it is over 200MB!](https://mude.citg.tudelft.nl/fileshare/public/public/241218_offline_book.zip)
+[Click here to download the book, but note --> it is over 200MB!](https://mude.citg.tudelft.nl/fileshare/public/public/241219_offline_book.zip)
 
 If you really want to use the code you can download the page as a notebook and use it in VS Code (this "download" should still work when offline).
\ No newline at end of file
diff --git a/src/students/Miscellaneous/offline_book.html b/src/students/Miscellaneous/offline_book.html
index a2cf9c05664ee876d5b0b4896030377d6582ba89..1a7a09fa7d47c17af94c1a0313d62086231e0df2 100644
--- a/src/students/Miscellaneous/offline_book.html
+++ b/src/students/Miscellaneous/offline_book.html
@@ -371,8 +371,8 @@ code {
 <li>the files are intended only for MUDE students; do not share them with others</li>
 <li>some interactive features will not work (for example, the Python code)</li>
 </ul>
-<p><em>This version was created on December 18, 2024. Older versions have been deleted.</em></p>
-<p><a href="https://mude.citg.tudelft.nl/fileshare/public/public/241218_offline_book.zip">Click here to download the book, but note --&gt; it is over 200MB!</a></p>
+<p><em>This version was created on December 19, 2024. Older versions have been deleted.</em></p>
+<p><a href="https://mude.citg.tudelft.nl/fileshare/public/public/241219_offline_book.zip">Click here to download the book, but note --&gt; it is over 200MB!</a></p>
 <p>If you really want to use the code you can download the page as a notebook and use it in VS Code (this &quot;download&quot; should still work when offline).</p>
 
 </body>
diff --git a/src/students/Week_2_5/README.html b/src/students/Week_2_5/README.html
new file mode 100644
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+}
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+
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+      theme: document.body.classList.contains('vscode-dark') || document.body.classList.contains('vscode-high-contrast')
+          ? 'dark'
+          : 'default'
+    });
+  </script>
+<h1 id="pa-25">PA 2.5</h1>
+<p><em><a href="http://mude.citg.tudelft.nl/">CEGM1000 MUDE</a>, Optimization, Week 2.5.</em></p>
+<p><em>You can access this assignment with the following link: <a href="https://classroom.github.com/a/Us3VyxD9">classroom.github.com/a/Us3VyxD9</a>.</em></p>
+<p>This week the programming assignment introduces the Pandas library. There are three files:</p>
+<ul>
+<li><code>README.md</code></li>
+<li><code>PA_2_5_data_framework.ipynb</code></li>
+<li><code>dams.csv</code></li>
+</ul>
+<h2 id="instructions">Instructions</h2>
+<p>Complete the notebook.</p>
+<h2 id="grading-criteria">Grading Criteria</h2>
+<p>You will pass this PA if:</p>
+<ol>
+<li>Your notebook <code>PA_2_5_data_framework.ipynb</code> runs without errors.</li>
+<li>Your notebook creates a file <code>earth_dams.csv</code> in the root of the repository</li>
+</ol>
+<p><strong>End of file.</strong></p>
+<span style="font-size: 75%">
+&copy; Copyright 2024 <a rel="MUDE" href="http://mude.citg.tudelft.nl/">MUDE</a>, TU Delft. This work is licensed under a <a rel="license" href="http://creativecommons.org/licenses/by/4.0/">CC BY 4.0 License</a>.
+</body>
+</html>
diff --git a/src/students/Week_2_6/test.txt b/src/students/Week_2_6/test.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
diff --git a/synced_files/GA_1_7/Solution/Discharge/Analysis_discharge_solution.ipynb b/synced_files/GA_1_7/Solution/Discharge/Analysis_discharge_solution.ipynb
index f0424aadf6415dd6518004daf4201149ead9c6e8..c7730e4b78de865fce3aa0a3e0b5cab199200b25 100644
--- a/synced_files/GA_1_7/Solution/Discharge/Analysis_discharge_solution.ipynb
+++ b/synced_files/GA_1_7/Solution/Discharge/Analysis_discharge_solution.ipynb
@@ -604,7 +604,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "fadd3981",
+   "id": "befff174",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
diff --git a/synced_files/GA_1_7/Solution/Emissions/Analysis_emissions_solution.ipynb b/synced_files/GA_1_7/Solution/Emissions/Analysis_emissions_solution.ipynb
index a1847118508c6cef1ca9256101a5ff7a60340ae2..fc9792db2e2cd14763f583e4201bf8d5320b77fd 100644
--- a/synced_files/GA_1_7/Solution/Emissions/Analysis_emissions_solution.ipynb
+++ b/synced_files/GA_1_7/Solution/Emissions/Analysis_emissions_solution.ipynb
@@ -157,7 +157,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1c8307eb",
+   "id": "c867de76",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -260,7 +260,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0d4a2eb0",
+   "id": "a271c854",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -372,7 +372,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "fde0f912",
+   "id": "775aa5c8",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -435,7 +435,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "bfa9666b",
+   "id": "f862eb95",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -536,7 +536,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f764e2d4",
+   "id": "0af328da",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -550,7 +550,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "4be16377",
+   "id": "2e13c97d",
    "metadata": {},
    "source": [
     "If you run the code in the cell below, you will obtain a scatter plot of both variables. Explore the relationship between both variables and answer the following questions:\n",
@@ -571,7 +571,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "06657dfb",
+   "id": "8059b06b",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -587,7 +587,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "fa6ccf2e",
+   "id": "c2ea71e1",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -600,7 +600,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "3848d658",
+   "id": "d2961b8b",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
diff --git a/synced_files/GA_1_7/Solution/Force/Analysis_force_solution.ipynb b/synced_files/GA_1_7/Solution/Force/Analysis_force_solution.ipynb
index 7271e7db77e7058a860218523b35ce8c92d2dd39..a14920ebedbd7a1e8960108a0140c6b97fb737d4 100644
--- a/synced_files/GA_1_7/Solution/Force/Analysis_force_solution.ipynb
+++ b/synced_files/GA_1_7/Solution/Force/Analysis_force_solution.ipynb
@@ -162,7 +162,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b0cc0f5f",
+   "id": "cab37575",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -267,7 +267,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "56437c72",
+   "id": "da044677",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -380,7 +380,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "7a862190",
+   "id": "f61a8dba",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -443,7 +443,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1e584094",
+   "id": "e287aa31",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -544,7 +544,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "1040a021",
+   "id": "5166ad5e",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -559,7 +559,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "be575d4e",
+   "id": "550088a7",
    "metadata": {},
    "source": [
     "If you run the code in the cell below, you will obtain a scatter plot of both variables. Explore the relationship between both variables and answer the following questions:\n",
@@ -580,7 +580,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "c027c7e8",
+   "id": "db6d027a",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -596,7 +596,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "ffa9ddd8",
+   "id": "68061ba6",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -609,7 +609,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "9c8824e1",
+   "id": "1765c2cb",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; width:95%; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
diff --git a/synced_files/GA_1_7/Student/Discharge/Analysis_discharge.ipynb b/synced_files/GA_1_7/Student/Discharge/Analysis_discharge.ipynb
index 1c0d7dfb7df25a23a5eebc26bf9833897a2ac002..ec47a3f3a494d8d53dbee9215aeb57916ca033ce 100644
--- a/synced_files/GA_1_7/Student/Discharge/Analysis_discharge.ipynb
+++ b/synced_files/GA_1_7/Student/Discharge/Analysis_discharge.ipynb
@@ -382,7 +382,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0f018206",
+   "id": "c726ec82",
    "metadata": {},
    "source": [
     "If you run the code in the cell below, you will obtain a scatter plot of both variables. Explore the relationship between both variables and answer the following questions:\n",
@@ -403,7 +403,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "de4c8125",
+   "id": "39876a9b",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -419,7 +419,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "1d0e019a",
+   "id": "fc563bc3",
    "metadata": {},
    "outputs": [],
    "source": [
diff --git a/synced_files/GA_1_7/Student/Emissions/Analysis_emissions.ipynb b/synced_files/GA_1_7/Student/Emissions/Analysis_emissions.ipynb
index 67eea71a1ba59107e821a94e9ce91864db87adb9..bb722e861adedad33e49da038a65d030f1f07980 100644
--- a/synced_files/GA_1_7/Student/Emissions/Analysis_emissions.ipynb
+++ b/synced_files/GA_1_7/Student/Emissions/Analysis_emissions.ipynb
@@ -376,7 +376,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "8564a231",
+   "id": "0d40885b",
    "metadata": {},
    "source": [
     "If you run the code in the cell below, you will obtain a scatter plot of both variables. Explore the relationship between both variables and answer the following questions:\n",
@@ -397,7 +397,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "17f41764",
+   "id": "95c0f511",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -413,7 +413,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "46cc3744",
+   "id": "d4bcf191",
    "metadata": {},
    "outputs": [],
    "source": [
diff --git a/synced_files/GA_1_7/Student/Force/Analysis_force.ipynb b/synced_files/GA_1_7/Student/Force/Analysis_force.ipynb
index db5f0367e5212aaf0221734c479daad63d46446b..c2688f318f50f1164a3b2a66716811f18aea27bc 100644
--- a/synced_files/GA_1_7/Student/Force/Analysis_force.ipynb
+++ b/synced_files/GA_1_7/Student/Force/Analysis_force.ipynb
@@ -382,7 +382,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d0fd9771",
+   "id": "7bc99516",
    "metadata": {},
    "source": [
     "If you run the code in the cell below, you will obtain a scatter plot of both variables. Explore the relationship between both variables and answer the following questions:\n",
@@ -403,7 +403,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "52ffde95",
+   "id": "938a3c59",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -419,7 +419,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "81e54c7d",
+   "id": "fc54c609",
    "metadata": {},
    "outputs": [],
    "source": [
diff --git a/synced_files/GA_1_7/Unused/Temp/Distribution_Fitting_T.ipynb b/synced_files/GA_1_7/Unused/Temp/Distribution_Fitting_T.ipynb
index 7f8806aa4683f50a221be48f95ee4f7583947328..72e63dc8c1d0efe07a157346acc18c91a7921e11 100644
--- a/synced_files/GA_1_7/Unused/Temp/Distribution_Fitting_T.ipynb
+++ b/synced_files/GA_1_7/Unused/Temp/Distribution_Fitting_T.ipynb
@@ -161,7 +161,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "7b3fd9fe",
+   "id": "f69d8b20",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -261,7 +261,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "219bc9fa",
+   "id": "45ba612f",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -370,7 +370,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "21b900dd",
+   "id": "b7851fd3",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -432,7 +432,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "64fc8f0a",
+   "id": "9c43b1b6",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -531,7 +531,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "efd7da58",
+   "id": "fb9ad956",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px\">\n",
@@ -544,7 +544,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "b43ac1cf",
+   "id": "a2f64625",
    "metadata": {},
    "source": [
     "If you run the code in the cell below, you will obtain a scatter plot of both variables. Explore the relationship between both variables and answer the following questions:\n",
@@ -565,7 +565,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "2c3b237b",
+   "id": "fa7d3619",
    "metadata": {},
    "outputs": [],
    "source": [
diff --git a/synced_files/Week_2_2/old/PA_2_1_solution_sympy.ipynb b/synced_files/Week_2_2/old/PA_2_1_solution_sympy.ipynb
index a5e80395d1ee385cb5e2d4320829fdb9909e4adc..81573b3861f787768acca7289507b4c585ba5596 100644
--- a/synced_files/Week_2_2/old/PA_2_1_solution_sympy.ipynb
+++ b/synced_files/Week_2_2/old/PA_2_1_solution_sympy.ipynb
@@ -386,7 +386,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "38fd5d56",
+   "id": "e844e715",
    "metadata": {},
    "source": [
     "You could also solve this problem using sympy! What would be the benefit of doing this? Check below how long it will take! You won't need timeit for this one..."
@@ -395,7 +395,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "0bbb0ca3",
+   "id": "efd7de59",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -405,7 +405,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "6963fbcb",
+   "id": "807c8542",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -415,7 +415,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "726a7fe0",
+   "id": "a9876d7f",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -427,7 +427,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "a56c8905",
+   "id": "4a4d3330",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -438,7 +438,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "eccba73a",
+   "id": "19373ead",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -447,7 +447,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "406ef749",
+   "id": "8ba530d3",
    "metadata": {},
    "source": [
     "What is the result for the 501th value using float values?"
@@ -456,7 +456,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "58214b7e",
+   "id": "3536c3bf",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -496,7 +496,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e435c45e",
+   "id": "b1a36558",
    "metadata": {},
    "source": []
   }
diff --git a/synced_files/Week_2_2/old/old_PA10_solution_sympy.ipynb b/synced_files/Week_2_2/old/old_PA10_solution_sympy.ipynb
index 02c4144803037f5a5db0aec6c4be7c3163d28677..cf951a61a284110f48fdac7365ea1916dd2cc08e 100644
--- a/synced_files/Week_2_2/old/old_PA10_solution_sympy.ipynb
+++ b/synced_files/Week_2_2/old/old_PA10_solution_sympy.ipynb
@@ -386,7 +386,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "31ec731f",
+   "id": "f5fd138c",
    "metadata": {},
    "source": [
     "You could also solve this problem using sympy! What would be the benefit of doing this? Check below how long it will take! You won't need timeit for this one..."
@@ -395,7 +395,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "e345e3dd",
+   "id": "8f2970b4",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -405,7 +405,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "3d24fd3f",
+   "id": "39bd03ca",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -415,7 +415,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "5dc2e980",
+   "id": "9375653f",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -427,7 +427,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "08ef8230",
+   "id": "ada7872f",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -438,7 +438,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "b9590b85",
+   "id": "f68c0a96",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -447,7 +447,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "78d191a6",
+   "id": "4d4e1eb8",
    "metadata": {},
    "source": [
     "What is the result for the 501th value using float values?"
@@ -456,7 +456,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "0b805b1e",
+   "id": "a999d261",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -496,7 +496,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f68048a7",
+   "id": "6337777c",
    "metadata": {},
    "source": []
   }
diff --git a/synced_files/Week_2_7/WS_2_7_solution.ipynb b/synced_files/Week_2_7/WS_2_7_solution.ipynb
index ec9137341e849aaf011a524bd96665f22f1c6a6a..fc6aa2995bcbbf447f0d53d06cc7b09e81f94aaf 100644
--- a/synced_files/Week_2_7/WS_2_7_solution.ipynb
+++ b/synced_files/Week_2_7/WS_2_7_solution.ipynb
@@ -130,7 +130,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "37b0d75a",
+   "id": "35bdfeea",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",
@@ -143,7 +143,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c7df4e40",
+   "id": "e18f111c",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",
@@ -166,7 +166,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "32432af4",
+   "id": "61ea2709",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",
@@ -196,7 +196,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "3e7776ed",
+   "id": "0f856f3d",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -223,7 +223,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d70f4c47",
+   "id": "329d7739",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",
@@ -236,7 +236,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c67f5058",
+   "id": "8381b996",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",
@@ -309,7 +309,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "0646bc5f",
+   "id": "4921d147",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#FAE99E; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",
diff --git a/synced_files/Week_2_7/WS_2_7_student.ipynb b/synced_files/Week_2_7/WS_2_7_student.ipynb
index fd428c7834b2698811172dc651e16634ea658f64..da9247a9e3181c6f4f2f162dac753aeea98cfe3e 100644
--- a/synced_files/Week_2_7/WS_2_7_student.ipynb
+++ b/synced_files/Week_2_7/WS_2_7_student.ipynb
@@ -130,7 +130,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "cf1a04db",
+   "id": "367666f8",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",
@@ -151,7 +151,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "45d1bd90",
+   "id": "53099a6c",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",
@@ -180,7 +180,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "61672806",
+   "id": "2915a623",
    "metadata": {},
    "source": [
     "<div style=\"background-color:#AABAB2; color: black; vertical-align: middle; padding:15px; margin: 10px; border-radius: 10px; width: 95%\">\n",