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Lab solved by Santi Semprun #98

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108 changes: 85 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 +94,21 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 10,
"id": "0781335d-39cf-403d-b86a-ca908a09fe55",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[(-1200, 'debit'), (-100, 'debit'), (-250, 'debit'), (-300, 'debit'), (-850, 'debit')]\n"
]
}
],
"source": [
"# your code goes here"
"credits = list(filter(lambda item: item[1] == 'debit', transactions))\n",
"print(credits)"
]
},
{
Expand All @@ -124,12 +133,23 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 18,
"id": "25073469-7258-4fc6-b0a0-ef8ea57688fe",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[(-1200, 'debit'), (-850, 'debit'), (-300, 'debit'), (-250, 'debit'), (-100, 'debit')]\n"
]
}
],
"source": [
"# your code goes here"
"\n",
"\n",
"sorted_list = sorted(credits, key = lambda item:item[0])\n",
"print(sorted_list)\n"
]
},
{
Expand Down Expand Up @@ -158,7 +178,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 33,
"id": "e1de9d03-f029-4e2e-9733-ae92e3de7527",
"metadata": {},
"outputs": [],
Expand All @@ -169,12 +189,21 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 34,
"id": "2f253b7e-5300-4819-b38f-9fc090554f51",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[95.0, 47.5, -23.75, 950.0, -9.5]\n"
]
}
],
"source": [
"# your code goes here"
"balances_after_rates = list(map(lambda x: x - x*0.05, balances))\n",
"print(balances_after_rates)"
]
},
{
Expand All @@ -195,7 +224,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 22,
"id": "69e24c3b-385e-44d6-a8ed-705a3f58e696",
"metadata": {},
"outputs": [],
Expand All @@ -209,12 +238,21 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 26,
"id": "0906a9b0-d567-4786-96f2-5755611b885e",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[980.0, 1980.0, 485.0]\n"
]
}
],
"source": [
"# your code goes here\n"
"updated_accounts = list(map(lambda x: x['balance'] - x['balance']*x['interest_rate'], accounts ))\n",
"print(updated_accounts)"
]
},
{
Expand Down Expand Up @@ -243,14 +281,24 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 37,
"id": "6284dbd3-e117-411e-8087-352be6deaed4",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"-33.25\n"
]
}
],
"source": [
"from functools import reduce\n",
"\n",
"# your code goes here"
"negative_balances = list(filter(lambda x:x < 0, balances_after_rates))\n",
"sum_negative_balances = reduce(lambda x,y:x+y, negative_balances)\n",
"print(sum_negative_balances)"
]
},
{
Expand All @@ -273,24 +321,38 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 46,
"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",
"\n",
"# your code goes here\n"
"# your code goes here\n",
"def calculate_balance(accounts_list):\n",
" for account in accounts_list:\n",
" account['balance'] = sum(account['withdrawals'])\n",
" print(account)\n",
"new_accounts = list(map(lambda account:account['balance']-sum(account['withdrawals']),accounts))\n",
"print(new_accounts)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "base",
"language": "python",
"name": "python3"
},
Expand All @@ -304,7 +366,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.7"
}
},
"nbformat": 4,
Expand Down