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ArjanCodes · Jan 8, 2025 · 983f0f6 · 983f0f6
1 parent 0e02517
commit 983f0f6
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Showing 19 changed files with 118 additions and 82 deletions.
diff --git a/2025/builtin/all.ipynb b/2025/builtin/all.ipynb
@@ -60,7 +60,7 @@
    ],
    "source": [
     "mixed_list: list[int | None] = [1, 2, None, 4, 5]\n",
-    "all(mixed_list)  # None is falsy\n"
+    "all(mixed_list)  # None is falsy"
    ]
   },
   {
@@ -89,7 +89,7 @@
     "\n",
     "\n",
     "objects = [IsEven(1), IsEven(2), IsEven(0)]\n",
-    "all(objects)  # Output: False (the last object is falsy)\n"
+    "all(objects)  # Output: False (the last object is falsy)"
    ]
   },
   {
@@ -118,7 +118,7 @@
     "\n",
     "\n",
     "objects = [Cart(items=[\"a\"]), Cart(items=[\"b\"]), Cart(items=[])]\n",
-    "all(objects)  # the last object is falsy due to empty list\n"
+    "all(objects)  # the last object is falsy due to empty list"
    ]
   },
   {
@@ -144,12 +144,13 @@
     "\n",
     "    def __len__(self):\n",
     "        return len([item for item in self.items if item != \"b\"])\n",
-    "    \n",
+    "\n",
     "    def __bool__(self):\n",
     "        return \"a\" not in self.items\n",
-    "    \n",
+    "\n",
+    "\n",
     "objects = [Cart(items=[\"b\"])]\n",
-    "all(objects)  # __bool__ seems to have higher priority than __len__\n"
+    "all(objects)  # __bool__ seems to have higher priority than __len__"
    ]
   },
   {
@@ -171,7 +172,7 @@
     "empty_string = \"\"\n",
     "\n",
     "print(f\"non_empty_string is {all(non_empty_string)}\")  # all characters are truthy\n",
-    "print(f\"empty_string is {all(empty_string)}\")  # empty iterable\n"
+    "print(f\"empty_string is {all(empty_string)}\")  # empty iterable"
    ]
   },
   {
@@ -192,7 +193,9 @@
    ],
    "source": [
     "nested_list: list[list[int]] = [[1, 2], [3, 4], []]\n",
-    "all(nested_list)  # the empty list is falsy in this case, since it does not recursively check the nested lists\n"
+    "all(\n",
+    "    nested_list\n",
+    ")  # the empty list is falsy in this case, since it does not recursively check the nested lists"
    ]
   },
   {
@@ -214,7 +217,7 @@
     "print(all(numbers))  # all elements are > 0\n",
     "\n",
     "gen_with_falsy = (x > 0 for x in range(-5, 5))\n",
-    "print(all(gen_with_falsy))  # -5 to -1 are falsy\n"
+    "print(all(gen_with_falsy))  # -5 to -1 are falsy"
    ]
   }
  ],

diff --git a/2025/builtin/any.ipynb b/2025/builtin/any.ipynb
@@ -7,7 +7,7 @@
    "outputs": [],
    "source": [
     "empty_list: list[int] = []\n",
-    "print(any(empty_list))  # Output: False\n"
+    "print(any(empty_list))  # Output: False"
    ]
   },
   {
@@ -17,7 +17,7 @@
    "outputs": [],
    "source": [
     "mixed_values: list[str | int | list[int] | None] = [0, \"\", [], 5, None]\n",
-    "print(any(mixed_values))  # 5 is truthy\n"
+    "print(any(mixed_values))  # 5 is truthy"
    ]
   },
   {
@@ -30,7 +30,7 @@
     "empty_string = \"\"\n",
     "\n",
     "print(f\"non_empty_string is {any(non_empty_string)}\")  # all characters are truthy\n",
-    "print(f\"empty_string is {any(empty_string)}\")  # empty iterable\n"
+    "print(f\"empty_string is {any(empty_string)}\")  # empty iterable"
    ]
   },
   {
@@ -40,7 +40,7 @@
    "outputs": [],
    "source": [
     "numbers = [-1, 0, -3, 4, -5]\n",
-    "print(any(x > 0 for x in numbers)) "
+    "print(any(x > 0 for x in numbers))"
    ]
   },
   {
@@ -60,7 +60,7 @@
     "# This will run forever, because all values are positive\n",
     "print(any(x < -1 for x in infinite_sequence()))\n",
     "\n",
-    "print(any(x > 10 for x in infinite_sequence()))\n"
+    "print(any(x > 10 for x in infinite_sequence()))"
    ]
   },
   {
@@ -77,7 +77,7 @@
     "\n",
     "\n",
     "# `any()` stops after finding the first truthy value\n",
-    "print(any(x > 10 for x in infinite_sequence()))\n"
+    "print(any(x > 10 for x in infinite_sequence()))"
    ]
   }
  ],

diff --git a/2025/builtin/dir.ipynb b/2025/builtin/dir.ipynb
@@ -10,7 +10,7 @@
     "a = 10\n",
     "b = 20\n",
     "\n",
-    "print(dir()) "
+    "print(dir())"
    ]
   },
   {
@@ -29,6 +29,7 @@
    "source": [
     "# dir with a custom class\n",
     "\n",
+    "\n",
     "class Invoice:\n",
     "    def __init__(self, client: str, total: float):\n",
     "        self.client = client\n",
@@ -37,7 +38,8 @@
     "    def __str__(self):\n",
     "        return f\"Invoice from {self.client} for {self.total}\"\n",
     "\n",
-    "print(dir(Invoice))\n"
+    "\n",
+    "print(dir(Invoice))"
    ]
   },
   {
@@ -62,10 +64,11 @@
     "\n",
     "    def __str__(self):\n",
     "        return f\"Invoice from {self.client} for {self.total}\"\n",
-    "    \n",
+    "\n",
+    "\n",
     "invoice_instance = Invoice(\"Alice\", 200.00)\n",
     "\n",
-    "print(dir(invoice_instance))\n"
+    "print(dir(invoice_instance))"
    ]
   },
   {
@@ -79,7 +82,7 @@
     "import math\n",
     "\n",
     "print(dir(math))\n",
-    "print(dir(\"math\"))\n"
+    "print(dir(\"math\"))"
    ]
   },
   {
@@ -100,7 +103,7 @@
     "\n",
     "sample_list = [1, 2, 3]\n",
     "\n",
-    "print(dir(sample_list))\n"
+    "print(dir(sample_list))"
    ]
   },
   {
@@ -142,7 +145,7 @@
     "\n",
     "sample_string = \"Hello, World!\"\n",
     "\n",
-    "print(dir(sample_string))\n"
+    "print(dir(sample_string))"
    ]
   },
   {
@@ -153,10 +156,12 @@
    "source": [
     "# dir with a function\n",
     "\n",
+    "\n",
     "def sample_function(x: int) -> int:\n",
     "    return x * 2\n",
     "\n",
-    "print(dir(sample_function))\n"
+    "\n",
+    "print(dir(sample_function))"
    ]
   },
   {
@@ -167,7 +172,7 @@
    "source": [
     "# dir on a built-in type\n",
     "\n",
-    "print(dir(int))\n"
+    "print(dir(int))"
    ]
   },
   {
@@ -178,7 +183,7 @@
    "source": [
     "# Check the directory of None\n",
     "\n",
-    "print(dir(None))\n"
+    "print(dir(None))"
    ]
   },
   {
@@ -197,12 +202,13 @@
    "source": [
     "class Person:\n",
     "    age: int\n",
+    "\n",
     "    def __init__(self):\n",
     "        self.name = \"Python\"\n",
     "\n",
     "\n",
     "obj = Person()\n",
-    "print(dir(obj))  # 'age' is not listed by dir() because it is not initialized yet\n"
+    "print(dir(obj))  # 'age' is not listed by dir() because it is not initialized yet"
    ]
   },
   {
@@ -218,11 +224,12 @@
     "    def __init__(self):\n",
     "        self._age = \"Hidden\"\n",
     "\n",
-    "    def __dir__(self) -> Iterable[str]: # Overriding __dir__ method\n",
-    "        return [\"name\"] \n",
+    "    def __dir__(self) -> Iterable[str]:  # Overriding __dir__ method\n",
+    "        return [\"name\"]\n",
+    "\n",
     "\n",
     "person = Person()\n",
-    "print(dir(person)) \n"
+    "print(dir(person))"
    ]
   },
   {
@@ -247,7 +254,7 @@
     "\n",
     "obj = Person()\n",
     "obj.age = 25\n",
-    "print(dir(obj))\n"
+    "print(dir(obj))"
    ]
   }
  ],

diff --git a/2025/builtin/help.ipynb b/2025/builtin/help.ipynb
@@ -17,7 +17,8 @@
     "        self.total = total\n",
     "\n",
     "    def __str__(self):\n",
-    "        return f'Invoice from {self.client} for {self.total}'\n",
+    "        return f\"Invoice from {self.client} for {self.total}\"\n",
+    "\n",
     "\n",
     "help(Invoice)"
    ]
@@ -33,6 +34,7 @@
     "from dataclasses import dataclass\n",
     "from decimal import Decimal\n",
     "\n",
+    "\n",
     "@dataclass\n",
     "class Invoice:\n",
     "    def __init__(self, client: str, total: Decimal):\n",
@@ -43,7 +45,7 @@
     "        return f\"Invoice from {self.client} for {self.total}\"\n",
     "\n",
     "\n",
-    "help(Invoice)\n"
+    "help(Invoice)"
    ]
   },
   {
@@ -52,7 +54,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "NAME=\"John\"\n",
+    "NAME = \"John\"\n",
     "\n",
     "help(NAME)"
    ]
@@ -73,9 +75,10 @@
    "outputs": [],
    "source": [
     "def pay_invoice(invoice: Invoice):\n",
-    "    print(f'Paying invoice {invoice}')\n",
+    "    print(f\"Paying invoice {invoice}\")\n",
     "    return invoice\n",
     "\n",
+    "\n",
     "help(pay_invoice(Invoice(\"John\", Decimal(\"100.00\"))))"
    ]
   },

diff --git a/2025/builtin/iter.ipynb b/2025/builtin/iter.ipynb
@@ -18,7 +18,7 @@
     "try:\n",
     "    print(next(iterator))\n",
     "except StopIteration:\n",
-    "    print(\"End of iterator\")\n"
+    "    print(\"End of iterator\")"
    ]
   },
   {
@@ -31,7 +31,7 @@
     "iterator = iter(string)\n",
     "\n",
     "print(next(iterator))  # Output: h\n",
-    "print(next(iterator))  # Output: e\n"
+    "print(next(iterator))  # Output: e"
    ]
   },
   {
@@ -56,7 +56,7 @@
     "iterator = iter(read_input, \"STOP\")\n",
     "\n",
     "for value in iterator:\n",
-    "    print(f\"You entered: {value}\")\n"
+    "    print(f\"You entered: {value}\")"
    ]
   },
   {
@@ -84,7 +84,7 @@
     "counter = Counter(1, 5)\n",
     "for number in counter:\n",
     "    print(number)\n",
-    "# Output: 1 2 3 4 5\n"
+    "# Output: 1 2 3 4 5"
    ]
   },
   {
@@ -111,7 +111,7 @@
     "iterator = iter(gen)\n",
     "\n",
     "print(next(iterator))  # Output: 0\n",
-    "print(next(iterator))  # Output: 1\n"
+    "print(next(iterator))  # Output: 1"
    ]
   },
   {

diff --git a/2025/builtin/map.ipynb b/2025/builtin/map.ipynb
@@ -15,7 +15,7 @@
    ],
    "source": [
     "celsius = [0, 10, 20, 30]\n",
-    "fahrenheit = list(map(lambda c: (c * 9/5) + 32, celsius))\n",
+    "fahrenheit = list(map(lambda c: (c * 9 / 5) + 32, celsius))\n",
     "print(fahrenheit)"
    ]
   },
@@ -99,7 +99,7 @@
     "# Less readable:\n",
     "list(map(lambda x: x**2, [1, 2, 3]))\n",
     "# More readable:\n",
-    "[x**2 for x in [1, 2, 3]]\n"
+    "[x**2 for x in [1, 2, 3]]"
    ]
   },
   {
@@ -130,7 +130,7 @@
     "result = map(power, bases, exponents)\n",
     "\n",
     "# Convert the result to a list and print\n",
-    "print(list(result))\n"
+    "print(list(result))"
    ]
   }
  ],