diff --git a/.idea/Learn-Python-Programming-Third-Edition.iml b/.idea/Learn-Python-Programming-Third-Edition.iml
new file mode 100644
index 0000000..74d515a
--- /dev/null
+++ b/.idea/Learn-Python-Programming-Third-Edition.iml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/venv" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..03e0658
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,47 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyPackageRequirementsInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredPackages">
+        <value>
+          <list size="19">
+            <item index="0" class="java.lang.String" itemvalue="xlwings" />
+            <item index="1" class="java.lang.String" itemvalue="pytrends" />
+            <item index="2" class="java.lang.String" itemvalue="xlutils" />
+            <item index="3" class="java.lang.String" itemvalue="python-dateutil" />
+            <item index="4" class="java.lang.String" itemvalue="xlwt" />
+            <item index="5" class="java.lang.String" itemvalue="plotly" />
+            <item index="6" class="java.lang.String" itemvalue="numpy" />
+            <item index="7" class="java.lang.String" itemvalue="requests" />
+            <item index="8" class="java.lang.String" itemvalue="xlsxwriter" />
+            <item index="9" class="java.lang.String" itemvalue="pyxlsb" />
+            <item index="10" class="java.lang.String" itemvalue="flake8" />
+            <item index="11" class="java.lang.String" itemvalue="sqlalchemy" />
+            <item index="12" class="java.lang.String" itemvalue="pandas" />
+            <item index="13" class="java.lang.String" itemvalue="matplotlib" />
+            <item index="14" class="java.lang.String" itemvalue="pillow" />
+            <item index="15" class="java.lang.String" itemvalue="lxml" />
+            <item index="16" class="java.lang.String" itemvalue="xlrd" />
+            <item index="17" class="java.lang.String" itemvalue="notebook" />
+            <item index="18" class="java.lang.String" itemvalue="openpyxl" />
+          </list>
+        </value>
+      </option>
+    </inspection_tool>
+    <inspection_tool class="PyPep8Inspection" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="ignoredErrors">
+        <list>
+          <option value="E722" />
+        </list>
+      </option>
+    </inspection_tool>
+    <inspection_tool class="PyPep8NamingInspection" enabled="true" level="WEAK WARNING" enabled_by_default="true">
+      <option name="ignoredErrors">
+        <list>
+          <option value="N806" />
+          <option value="N802" />
+        </list>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..10373e2
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11 (Learn-Python-Programming-Third-Edition)" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..17b287f
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Learn-Python-Programming-Third-Edition.iml" filepath="$PROJECT_DIR$/.idea/Learn-Python-Programming-Third-Edition.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/workspace.xml b/.idea/workspace.xml
new file mode 100644
index 0000000..28577cc
--- /dev/null
+++ b/.idea/workspace.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ChangeListManager">
+    <list default="true" id="76cc942e-37b9-4a5e-83f7-5ab4132fc985" name="Changes" comment="" />
+    <option name="SHOW_DIALOG" value="false" />
+    <option name="HIGHLIGHT_CONFLICTS" value="true" />
+    <option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
+    <option name="LAST_RESOLUTION" value="IGNORE" />
+  </component>
+  <component name="Git.Settings">
+    <option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$" />
+  </component>
+  <component name="MarkdownSettingsMigration">
+    <option name="stateVersion" value="1" />
+  </component>
+  <component name="ProjectId" id="2eGXBxYfbtOlIM9zlG1WsTs2dGB" />
+  <component name="ProjectLevelVcsManager" settingsEditedManually="true" />
+  <component name="ProjectViewState">
+    <option name="hideEmptyMiddlePackages" value="true" />
+    <option name="showLibraryContents" value="true" />
+  </component>
+  <component name="PropertiesComponent">
+    <property name="RunOnceActivity.OpenProjectViewOnStart" value="true" />
+    <property name="RunOnceActivity.ShowReadmeOnStart" value="true" />
+  </component>
+  <component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
+  <component name="TaskManager">
+    <task active="true" id="Default" summary="Default task">
+      <changelist id="76cc942e-37b9-4a5e-83f7-5ab4132fc985" name="Changes" comment="" />
+      <created>1711531756794</created>
+      <option name="number" value="Default" />
+      <option name="presentableId" value="Default" />
+      <updated>1711531756794</updated>
+    </task>
+    <servers />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.ipynb_checkpoints/Chapter1-checkpoint b/.ipynb_checkpoints/Chapter1-checkpoint
new file mode 100644
index 0000000..363fcab
--- /dev/null
+++ b/.ipynb_checkpoints/Chapter1-checkpoint
@@ -0,0 +1,6 @@
+{
+ "cells": [],
+ "metadata": {},
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/Chapter1 b/Chapter1
new file mode 100644
index 0000000..12237ef
--- /dev/null
+++ b/Chapter1
@@ -0,0 +1,33 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "f3319de0-4d03-480c-9119-473128af74aa",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.11.8"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/ch01/bike.py b/ch01/bike.py
index 223c483..3d4e177 100644
--- a/ch01/bike.py
+++ b/ch01/bike.py
@@ -8,6 +8,7 @@ def __init__(self, colour, frame_material):
     def brake(self):
         print("Braking!")
 
+
 # let's create a couple of instances
 red_bike = Bike('Red', 'Carbon fiber')
 blue_bike = Bike('Blue', 'Steel')