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204 changes: 182 additions & 22 deletions lab-python-data-structures.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -57,11 +57,45 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 1,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"Total sum of grades: 24\n",
"Selected sorted grades: [2, 6, 8]\n",
"Length of new list: 3\n",
"Number of occurrences of grade 5: 0\n"
]
}
],
"source": [
"# Your code here"
"# Exercise 1: Working with Lists\n",
"\n",
"grades = [] # empty list to store the grades\n",
"\n",
"# Ask the teacher to input grades\n",
"for i in range(5):\n",
" grade = int(input(f\"Enter grade for student {i + 1}: \"))\n",
" grades.append(grade)\n",
"\n",
"# Step 1: Calculate total sum\n",
"total_sum = sum(grades)\n",
"print(\"\\nTotal sum of grades:\", total_sum)\n",
"\n",
"# Step 2: Create a new list (first, third and fifth students)\n",
"selected_grades = grades[0:5:2]\n",
"\n",
"# Step 3: Sort the new list in ascending order\n",
"selected_grades.sort()\n",
"\n",
"# Step 4: Print results\n",
"print(\"Selected sorted grades:\", selected_grades)\n",
"print(\"Length of new list:\", len(selected_grades))\n",
"print(\"Number of occurrences of grade 5:\", selected_grades.count(5))"
]
},
{
Expand Down Expand Up @@ -95,11 +129,56 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 2,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"First fruit: Apple\n",
"Last fruit: Orange\n",
"Updated tuple: ('Apple', 'Kiwi', 'Cherry', 'Mango', 'Orange')\n",
"Extended inventory: ('Apple', 'Kiwi', 'Cherry', 'Mango', 'Orange', 'Grapes', 'Pineapple')\n",
"Tuple 1: ('Apple', 'Kiwi', 'Cherry')\n",
"Tuple 2: ('Mango', 'Orange', 'Grapes')\n",
"Final inventory: ('Apple', 'Kiwi', 'Cherry', 'Mango', 'Orange', 'Grapes', 'Apple', 'Kiwi', 'Cherry', 'Mango', 'Orange', 'Grapes', 'Pineapple')\n",
"Length of final inventory: 13\n"
]
}
],
"source": [
"# Your code here"
"# Exercise 2: Tuples\n",
"\n",
"# Step 1: Initialize tuple\n",
"fruits = (\"Apple\", \"Banana\", \"Cherry\", \"Mango\", \"Orange\")\n",
"\n",
"# Step 2: Output first and last elements\n",
"print(\"First fruit:\", fruits[0])\n",
"print(\"Last fruit:\", fruits[-1])\n",
"\n",
"# Step 3: Replace the second element\n",
"# Tuples are immutable, so we convert to a list first\n",
"fruit_list = list(fruits)\n",
"fruit_list[1] = \"Kiwi\" # new fruit\n",
"fruits = tuple(fruit_list)\n",
"print(\"Updated tuple:\", fruits)\n",
"\n",
"# Step 4: Concatenate new tuple\n",
"extra_fruits = (\"Grapes\", \"Pineapple\")\n",
"fruits = fruits + extra_fruits\n",
"print(\"Extended inventory:\", fruits)\n",
"\n",
"# Step 5: Split tuple into two tuples of 3 elements each\n",
"t1 = fruits[:3]\n",
"t2 = fruits[3:6]\n",
"print(\"Tuple 1:\", t1)\n",
"print(\"Tuple 2:\", t2)\n",
"\n",
"# Step 6: Combine t1 and t2 with the original tuple\n",
"new_inventory = t1 + t2 + fruits\n",
"print(\"Final inventory:\", new_inventory)\n",
"print(\"Length of final inventory:\", len(new_inventory))\n"
]
},
{
Expand Down Expand Up @@ -136,7 +215,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -163,11 +242,56 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 4,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Unique words in poem 1: 41\n",
"Unique words in poem 2: 42\n",
"\n",
"Words in poem 1 but not in poem 2:\n",
"{'perish', 'great', 'favor', 'hold', 'tasted', 'twice', 'destruction', 'i’ve', 'will', 'the', 'desire', 'ice', 'for', 'hate', 'would', 'in', 'also', 'suffice', 'world', 'fire'}\n",
"\n",
"Words in poem 2 but not in poem 1:\n",
"{'dream', 'made', 'away', 'ive', 'its', 'seen', 'still', 'test', 'as', 'quest', 'a', 'we', 'deem', 'are', 'fades', 'life', 'though', 'love', 'today', 'see', 'side'}\n",
"\n",
"Words in both poems (alphabetical):\n",
"['and', 'but', 'end', 'enough', 'from', 'had', 'i', 'if', 'is', 'it', 'know', 'of', 'say', 'some', 'that', 'think', 'those', 'to', 'what', 'who', 'with']\n"
]
}
],
"source": [
"# Your code here"
"# Exercise 3: Sets\n",
"\n",
"import string\n",
"\n",
"# 1) Clean text and create sets\n",
"def clean_text(text):\n",
" text = text.lower()\n",
" text = text.translate(str.maketrans(\"\", \"\", string.punctuation))\n",
" return set(text.split())\n",
"\n",
"words_poem1 = clean_text(poem)\n",
"words_poem2 = clean_text(new_poem)\n",
"\n",
"# 2) Print number of unique words\n",
"print(\"Unique words in poem 1:\", len(words_poem1))\n",
"print(\"Unique words in poem 2:\", len(words_poem2))\n",
"\n",
"# 3) Unique in first poem\n",
"print(\"\\nWords in poem 1 but not in poem 2:\")\n",
"print(words_poem1 - words_poem2)\n",
"\n",
"# 4) Unique in second poem\n",
"print(\"\\nWords in poem 2 but not in poem 1:\")\n",
"print(words_poem2 - words_poem1)\n",
"\n",
"# 5) Words in both poems (sorted)\n",
"print(\"\\nWords in both poems (alphabetical):\")\n",
"print(sorted(words_poem1 & words_poem2))\n"
]
},
{
Expand All @@ -193,7 +317,7 @@
},
{
"cell_type": "code",
"execution_count": 51,
"execution_count": 5,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -202,11 +326,29 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 6,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'Alice': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}, 'Bob': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 100}}\n"
]
}
],
"source": [
"# Your code here"
"# Exercise 4: Dictionaries\n",
"\n",
"grades = {\n",
" 'Alice': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90},\n",
" 'Bob': {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}\n",
"}\n",
"\n",
"# Update Bob's Philosophy score\n",
"grades['Bob']['Philosophy'] = 100\n",
"\n",
"print(grades)\n"
]
},
{
Expand Down Expand Up @@ -239,14 +381,23 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 7,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}\n"
]
}
],
"source": [
"keys = ['Physics', 'Math', 'Chemistry', 'Philosophy']\n",
"values = [75, 85, 60,90]\n",
"\n",
"# Your code here"
"subject_scores = dict(zip(keys, values))\n",
"print(subject_scores)\n"
]
},
{
Expand Down Expand Up @@ -275,17 +426,26 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 8,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Subject with minimum score: Chemistry\n"
]
}
],
"source": [
"# Your code here"
"minimum_subject = min(subject_scores, key=subject_scores.get)\n",
"print(\"Subject with minimum score:\", minimum_subject)\n"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "base",
"language": "python",
"name": "python3"
},
Expand All @@ -299,7 +459,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.13.5"
}
},
"nbformat": 4,
Expand Down