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Solved lab #99

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255 changes: 235 additions & 20 deletions lab-python-data-structures.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -59,9 +59,57 @@
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"The total sum of the grades is: 19\n",
"New list (1st, 3rd, and 5th): [2, 4, 5]\n",
"Size of the new list: 3\n",
"Number of times 5 appears in the list: 1\n"
]
}
],
"source": [
"# Your code here"
"# grades_tracker.py\n",
"\n",
"def main():\n",
" num_students = 5\n",
" grades = []\n",
"\n",
" # Collect grades for 5 students\n",
" for i in range(1, num_students + 1):\n",
" while True:\n",
" try:\n",
" grade_input = input(f\"Enter the grade for student {i}: \")\n",
" grade = int(grade_input)\n",
" # Optional: validate range (e.g., 0-100)\n",
" if grade < 0:\n",
" print(\"Grade cannot be negative. Please try again.\")\n",
" continue\n",
" grades.append(grade)\n",
" break\n",
" except ValueError:\n",
" print(\"Invalid input. Please enter an integer.\")\n",
"\n",
" # Total sum of grades\n",
" total_sum = sum(grades)\n",
" print(f\"\\nThe total sum of the grades is: {total_sum}\")\n",
"\n",
" # New list with 1st, 3rd, and 5th students (indexes 0, 2, 4) and sort ascending\n",
" selected = grades[0:5:2] # 0->2->4, given there are 5 elements\n",
" selected.sort()\n",
"\n",
" # Print requested results\n",
" print(f\"New list (1st, 3rd, and 5th): {selected}\")\n",
" print(f\"Size of the new list: {len(selected)}\")\n",
" count_fives = selected.count(5)\n",
" print(f\"Number of times 5 appears in the list: {count_fives}\")\n",
"\n",
"if __name__ == \"__main__\":\n",
" main()\n"
]
},
{
Expand Down Expand Up @@ -95,11 +143,63 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 5,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Original tuple: ('apple', 'banana', 'orange', 'grape', 'mango')\n",
"First fruit: apple\n",
"Last fruit: mango\n",
"After replacing second element: ('apple', 'strawberry', 'orange', 'grape', 'mango')\n",
"After concatenation with 2 more fruits: ('apple', 'strawberry', 'orange', 'grape', 'mango', 'pineapple', 'peach')\n",
"First three: ('apple', 'strawberry', 'orange')\n",
"Last three: ('grape', 'mango', 'pineapple')\n",
"Combined tuple: ('apple', 'strawberry', 'orange', 'grape', 'mango', 'pineapple', 'apple', 'banana', 'orange', 'grape', 'mango')\n",
"Length of combined tuple: 11\n"
]
}
],
"source": [
"# Your code here"
"# fruit_inventory.py\n",
"\n",
"def main():\n",
" # 1) Inicializa una tupla con 5 tipos de fruta\n",
" fruits = (\"apple\", \"banana\", \"orange\", \"grape\", \"mango\")\n",
" print(\"Original tuple:\", fruits)\n",
"\n",
" # 2) Output the first and last elements\n",
" first_fruit = fruits[0]\n",
" last_fruit = fruits[-1]\n",
" print(\"First fruit:\", first_fruit)\n",
" print(\"Last fruit:\", last_fruit)\n",
"\n",
" # 3) Replace the second element with a new fruit \n",
" # Second element index is 1\n",
" updated_fruits = fruits[:1] + (\"strawberry\",) + fruits[2:]\n",
" print(\"After replacing second element:\", updated_fruits)\n",
"\n",
" # 4) Concatenate a new tuple containing 2 additional fruits\n",
" extra_fruits = (\"pineapple\", \"peach\")\n",
" concatenated = updated_fruits + extra_fruits\n",
" print(\"After concatenation with 2 more fruits:\", concatenated)\n",
"\n",
" # 5) Split the resulting tuple into 2 tuples of 3 elements each\n",
" # (first 3 elements) and (last 3 elements)\n",
" first_three = concatenated[:3]\n",
" last_three = concatenated[3:6]\n",
" print(\"First three:\", first_three)\n",
" print(\"Last three:\", last_three)\n",
"\n",
" # 6) Combine the 2 tuples from step 5 with the original tuple into a new tuple\n",
" combined = first_three + last_three + fruits\n",
" print(\"Combined tuple:\", combined)\n",
" print(\"Length of combined tuple:\", len(combined))\n",
"\n",
"if __name__ == \"__main__\":\n",
" main()\n"
]
},
{
Expand Down Expand Up @@ -163,11 +263,81 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 6,
"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",
"['also', 'desire', 'destruction', 'favor', 'fire', 'for', 'great', 'hate', 'hold', 'ice', 'in', 'i’ve', 'perish', 'suffice', 'tasted', 'the', 'twice', 'will', 'world', 'would']\n",
"\n",
"Words in poem 2 but not in poem 1:\n",
"['a', 'are', 'as', 'away', 'deem', 'dream', 'fades', 'life', 'love', 'made', 'quest', 's', 'see', 'seen', 'side', 'still', 'test', 'though', 'today', 've', 'we']\n",
"\n",
"Words common to 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"
"# poems_sets_simple.py\n",
"\n",
"import string\n",
"\n",
"poem = \"\"\"Some say the world will end in fire,\n",
"Some say in ice.\n",
"From what I’ve tasted of desire\n",
"I hold with those who favor fire.\n",
"But if it had to perish twice,\n",
"I think I know enough of hate\n",
"To say that for destruction ice\n",
"Is also great\n",
"And would suffice.\"\"\"\n",
"\n",
"new_poem = \"\"\"Some say life is but a dream,\n",
"Some say it's a test.\n",
"From what I've seen and what I deem,\n",
"I side with those who see it as a quest.\n",
"\n",
"But if it had to end today,\n",
"I think I know enough of love,\n",
"To say that though it fades away,\n",
"It's still what we are made of.\"\"\"\n",
"\n",
"def words_set(text):\n",
" # Pasar a minúsculas y quitar puntuación simple\n",
" text = text.lower()\n",
" for ch in string.punctuation:\n",
" text = text.replace(ch, \" \")\n",
" return set(text.split())\n",
"\n",
"def main():\n",
" s1 = words_set(poem)\n",
" s2 = words_set(new_poem)\n",
"\n",
" print(\"Unique words in poem 1:\", len(s1))\n",
" print(\"Unique words in poem 2:\", len(s2))\n",
"\n",
" only1 = sorted(s1 - s2)\n",
" only2 = sorted(s2 - s1)\n",
" both = sorted(s1 & s2)\n",
"\n",
" print(\"\\nWords in poem 1 but not in poem 2:\")\n",
" print(only1)\n",
"\n",
" print(\"\\nWords in poem 2 but not in poem 1:\")\n",
" print(only2)\n",
"\n",
" print(\"\\nWords common to both poems (alphabetical):\")\n",
" print(both)\n",
"\n",
"if __name__ == \"__main__\":\n",
" main()"
]
},
{
Expand Down Expand Up @@ -202,11 +372,29 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 7,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"100\n"
]
}
],
"source": [
"# Your code here"
"## grades dictionary\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 to 100\n",
"grades['Bob']['Philosophy'] = 100\n",
"\n",
"# Optional: print to verify\n",
"print(grades['Bob']['Philosophy']) # 100\n"
]
},
{
Expand Down Expand Up @@ -239,14 +427,27 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 8,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"{'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}\n"
]
}
],
"source": [
"# lists\n",
"keys = ['Physics', 'Math', 'Chemistry', 'Philosophy']\n",
"values = [75, 85, 60,90]\n",
"values = [75, 85, 60, 90]\n",
"\n",
"# Your code here"
"# Convertir a diccionario\n",
"grades_dict = dict(zip(keys, values))\n",
"\n",
"print(grades_dict)\n",
"# {'Physics': 75, 'Math': 85, 'Chemistry': 60, 'Philosophy': 90}\n"
]
},
{
Expand Down Expand Up @@ -275,17 +476,31 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 11,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Subject with minimum score: Chemistry\n",
"Minimum score: 60\n"
]
}
],
"source": [
"# Your code here"
"min_subject = min(grades_dict, key=grades_dict.get)\n",
"min_score = grades_dict[min_subject]\n",
"\n",
"print(\"Subject with minimum score:\", min_subject)\n",
"print(\"Minimum score:\", min_score)\n",
"\n"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand All @@ -299,7 +514,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.11.0"
}
},
"nbformat": 4,
Expand Down