updates after first lecture

Author: mirkopiani98

.gitignore

@@ -1,2 +1,3 @@
 venv/
-.venv/
+.venv/
+TODOs.md

README.md

@@ -78,9 +78,10 @@ You can either decide to use [notebook](https://realpython.com/jupyter-notebook-
 **List of notebooks**
 | file | topic |
 |:---|---|
-|*0_ipynb_introduction.ipynb*| Introduction to notebooks and Native Python data structures |
+|*0_ipynb_introduction.ipynb*| Introduction to notebooks|
 |*1_native_python_data_structures.ipynb*| Introduction to native Python data structures |
-|*2_numpy.ipynb*| NumPy arrays |
-|*3_pandas.ipynb*| Pandas Dataframes |
-|*4_introduction_to_images.ipynb*| Image data introduction |
+|*2_python_operators.ipynb*| python operators |
+|*3_numpy.ipynb*| NumPy arrays |
+|*4_pandas.ipynb*| Pandas Dataframes |
+|*5_introduction_to_images.ipynb*| Image data introduction |
 

notebooks/0_ipynb_introduction.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "© Mirko Piani - *PhD student in Precision Orchard Management (POM), university of Bologna (IT)*\\\n",
+    "© Mirko Piani - *PhD student in Precision Orchard Management (POM), university of Bologna (IT)*\n",
     "___\n",
     "\n",
     "If you are having problems with the notebook, contact me at mirko.piani2@unibo.it"
@@ -42,6 +42,8 @@
    "source": [
     "+ To ***add a New Markdown cell Below*** the cell you are actually running, ***press*** ***B*** (= add bottom), then ***M*** (= markdown) \n",
     "+ To ***add a New Markdown cell Above*** the cell you are actually running, ***press*** ***A*** (= add above), then ***M*** (= markdown)  \n",
+    "+ To ***delete a Markdown cell***, select the cell and, ***press*** ***twice D*** = DD)  \n",
+    "\n",
     "\n",
     "\n",
     "**To write** inside a Markdown cell, select it and press *ENTER*.\\\n",
@@ -105,9 +107,9 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "- To write *italic* text, include the text between single asteriks (i.e., \\*text\\*) or select the text and press CTRL + I\n",
-    "- To write **bold** text, include the text between double asteriks (i.e., \\*\\*text\\*\\*) or select the text and press CTRL + B\n",
-    "- To write ***italic-bold*** text, include the text between triple asteriks (i.e., \\*\\*\\*text\\*\\*\\*) or select the text and press CTRL + I, then CTRL + B"
+    "- To write *italic* text, include the text between single asteriks (i.e., \\*text\\*) - or select the text and press CTRL + I if using LINUX\n",
+    "- To write **bold** text, include the text between double asteriks (i.e., \\*\\*text\\*\\*)  - or select the text and press CTRL + B if using LINUX\n",
+    "- To write ***italic-bold*** text, include the text between triple asteriks (i.e., \\*\\*\\*text\\*\\*\\*) - or select the text and press CTRL + I, then CTRL + B if using LINUX"
    ]
   },
   {
@@ -150,8 +152,17 @@
    "source": [
     "+ To ***add a New Code cell Below*** the cell you are actually running, ***press*** ***B*** (= add bottom)\n",
     "+ To ***add a New Code cell Above*** the cell you are actually running, ***press*** ***A*** (= add above)  \n",
+    "+ To ***delete a Code cell***, select the cell and, ***press*** ***twice D*** (= DD)  \n",
     "\n",
-    "\n",
+    "> **Note**: \n",
+    "> - to convert a markdown cell into a code cell, select the cell then press `Y`,\n",
+    "> - to convert a code cell into a markdown cell, select the cell then press `M`."
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
     "**To write** inside a code cell, select it and press *ENTER*.\\\n",
     "**After writing the code**, to run the code press *CTRL + ENTER*\n",
     "\n",
@@ -203,15 +214,15 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "1\n"
+      "Hello World!\n"
      ]
     }
    ],
    "source": [
     "# this is a code comment\n",
-    "a = 1  # this creates a variable named \"a\" with a value of 1\n",
+    "my_variable = 'Hello World!'  # this creates a variable named \"my_variable\"\n",
     "\n",
-    "print(f'The value of the variable is {a}')  # this prints the f-string"
+    "print(f'{my_variable}')  # this prints the f-string"
    ]
   }
  ],

notebooks/1_native_python_data_structures.ipynb

@@ -4,7 +4,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "© Mirko Piani - *PhD student in Precision Orchard Management (POM), university of Bologna (IT)*\\\n",
+    "© Mirko Piani - *PhD student in Precision Orchard Management (POM), university of Bologna (IT)*\n",
     "___\n",
     "\n",
     "If you are having problems with the notebook, contact me at mirko.piani2@unibo.it"
@@ -27,6 +27,7 @@
     "+ `str` - string\n",
     "+ `int` - integer number\n",
     "+ `float` - floating number\n",
+    "+ `bool` - boolean\n",
     "+ native data structures\n",
     "+ non native data structures"
    ]
@@ -354,6 +355,94 @@
     "</center>"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# Bool"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "Booleans are `True`, `False` or 0 and 1"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "<class 'bool'>\n"
+     ]
+    }
+   ],
+   "source": [
+    "bool_variable = True\n",
+    "print(type(bool_variable))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "*AND*"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n",
+      "True\n",
+      "False\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(True and False)\n",
+    "print(True and True)\n",
+    "print(False and False)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "*OR*"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "True\n",
+      "True\n",
+      "False\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(True or False)\n",
+    "print(True or True)\n",
+    "print(False or False)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},