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127 changes: 104 additions & 23 deletions lab-python-lambda-map-reduce-filter.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 1,
"id": "08463071-9351-4d49-8d29-4fcb817fb177",
"metadata": {},
"outputs": [],
Expand Down Expand Up @@ -94,12 +94,26 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 12,
"id": "0781335d-39cf-403d-b86a-ca908a09fe55",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Credits: [(2500, 'credit'), (850, 'credit'), (1500, 'credit'), (5000, 'credit'), (1000, 'credit')]\n",
"Debits: [(-1200, 'debit'), (-100, 'debit'), (-250, 'debit'), (-300, 'debit'), (-850, 'debit')]\n"
]
}
],
"source": [
"# your code goes here"
"# your code goes here\n",
"credits = list(filter(lambda x: x[1] == \"credit\", transactions))\n",
"debits = list(filter(lambda x: x[1] == \"debit\", transactions))\n",
"\n",
"print(\"Credits:\", credits)\n",
"print(\"Debits:\", debits)"
]
},
{
Expand All @@ -124,12 +138,25 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 16,
"id": "25073469-7258-4fc6-b0a0-ef8ea57688fe",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Debits ordenados: [(-100, 'debit'), (-250, 'debit'), (-300, 'debit'), (-850, 'debit'), (-1200, 'debit')]\n"
]
}
],
"source": [
"# your code goes here"
"# your code goes here\n",
"debits = list(filter(lambda x: x[1] == \"debit\", transactions))\n",
"sort_descending = lambda a, b: -1 if a[0] > b [0] else 1\n",
"from functools import cmp_to_key\n",
"sorted_debits = sorted(debits, key=cmp_to_key(sort_descending))\n",
"print(\"Debits ordenados:\", sorted_debits)"
]
},
{
Expand Down Expand Up @@ -158,7 +185,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 17,
"id": "e1de9d03-f029-4e2e-9733-ae92e3de7527",
"metadata": {},
"outputs": [],
Expand All @@ -169,12 +196,22 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 19,
"id": "2f253b7e-5300-4819-b38f-9fc090554f51",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[105.0, 52.5, -26.25, 1050.0, -10.5]\n"
]
}
],
"source": [
"# your code goes here"
"# your code goes here\n",
"saldo_interes = list(map(lambda x: x * 1.05, balances))\n",
"print(saldo_interes)"
]
},
{
Expand All @@ -195,7 +232,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 21,
"id": "69e24c3b-385e-44d6-a8ed-705a3f58e696",
"metadata": {},
"outputs": [],
Expand All @@ -209,12 +246,27 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 22,
"id": "0906a9b0-d567-4786-96f2-5755611b885e",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[{'balance': 1020.0, 'interest_rate': 0.02}, {'balance': 2020.0, 'interest_rate': 0.01}, {'balance': 515.0, 'interest_rate': 0.03}]\n"
]
}
],
"source": [
"# your code goes here\n"
"# your code goes here\n",
"accounts_after_interest = list(map(\n",
" lambda acc: {\"balance\": acc[\"balance\"] * (1 + acc[\"interest_rate\"]),\n",
" \"interest_rate\": acc[\"interest_rate\"]},\n",
" accounts\n",
"))\n",
"\n",
"print(accounts_after_interest)"
]
},
{
Expand Down Expand Up @@ -243,14 +295,29 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 24,
"id": "6284dbd3-e117-411e-8087-352be6deaed4",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[-26.25, -10.5]\n",
"-36.75\n"
]
}
],
"source": [
"from functools import reduce\n",
"\n",
"# your code goes here"
"# your code goes here\n",
"balances = [105.0, 52.5, -26.25, 1050.0, -10.5]\n",
"negative = list(filter(lambda x: x < 0, balances))\n",
"print(negative)\n",
"\n",
"total_negative = reduce(lambda x, y: x + y, negative)\n",
"print(total_negative)"
]
},
{
Expand All @@ -273,24 +340,38 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 25,
"id": "da2264b5-298e-4b45-99df-852b94e90d15",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[650, 1600, 275]\n"
]
}
],
"source": [
"accounts = [\n",
" {'balance': 1000, 'withdrawals': [100, 50, 200]},\n",
" {'balance': 2000, 'withdrawals': [300, 100]},\n",
" {'balance': 500, 'withdrawals': [50, 100, 75]},\n",
"]\n",
"# your code goes here\n",
"def calculate_balance(account):\n",
" total_withdrawals = sum(account[\"withdrawals\"])\n",
" remaining_balance = account[\"balance\"] - total_withdrawals\n",
" return remaining_balance\n",
"\n",
"# your code goes here\n"
"remaining_balances = list(map(calculate_balance, accounts))\n",
"print(remaining_balances)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand All @@ -304,7 +385,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.9"
}
},
"nbformat": 4,
Expand Down