Skip to content

done #100

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
SchneFre wants to merge 1 commit into
base: master
Choose a base branch
from
Open

done #100

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
164 changes: 142 additions & 22 deletions lab-python-lambda-map-reduce-filter.ipynb
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -66,7 +66,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 2,
"id": "08463071-9351-4d49-8d29-4fcb817fb177",
"metadata": {},
"outputs": [],
Expand Down Expand Up @@ -94,12 +94,30 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 7,
"id": "0781335d-39cf-403d-b86a-ca908a09fe55",
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"[(-1200, 'debit'),\n",
" (-100, 'debit'),\n",
" (-250, 'debit'),\n",
" (-300, 'debit'),\n",
" (-850, 'debit')]"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# your code goes here"
"# your code goes here\n",
"credits = list(filter(lambda x: x[1]== \"credit\", transactions))\n",
"debit =list(filter(lambda x: x[1]== \"debit\", transactions))\n",
"debit"
]
},
{
Expand All @@ -124,12 +142,34 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 16,
"id": "25073469-7258-4fc6-b0a0-ef8ea57688fe",
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"[(-1200, 'debit'),\n",
" (-850, 'debit'),\n",
" (-300, 'debit'),\n",
" (-250, 'debit'),\n",
" (-100, 'debit')]"
]
},
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# your code goes here"
"# your code goes here\n",
"sort_descending = lambda t1: t1[0]\n",
"\n",
"sorted_debit = sorted(debit, key=sort_descending)\n",
"sorted_debit\n",
"# sort_descending = lambda t1, t2: t1[0] > t2[0]\n",
"\n",
"# sorted_debit = sorted(debit, key=sort_descending )"
]
},
{
Expand Down Expand Up @@ -158,7 +198,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 17,
"id": "e1de9d03-f029-4e2e-9733-ae92e3de7527",
"metadata": {},
"outputs": [],
Expand All @@ -169,12 +209,29 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 30,
"id": "2f253b7e-5300-4819-b38f-9fc090554f51",
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"[105.0, 52.5, -26.25, 1050.0, -10.5]"
]
},
"execution_count": 30,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# your code goes here"
"# your code goes here\n",
"def calc_interest(balance):\n",
" balance += balance*0.05\n",
" return balance\n",
"\n",
"balances_with_interest = list(map(calc_interest, balances))\n",
"balances_with_interest"
]
},
{
Expand All @@ -195,7 +252,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 20,
"id": "69e24c3b-385e-44d6-a8ed-705a3f58e696",
"metadata": {},
"outputs": [],
Expand All @@ -209,12 +266,34 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 24,
"id": "0906a9b0-d567-4786-96f2-5755611b885e",
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"[1020.0, 2020.0, 515.0]"
]
},
"execution_count": 24,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# your code goes here\n"
"accounts = [\n",
" {'balance': 1000, 'interest_rate': 0.02},\n",
" {'balance': 2000, 'interest_rate': 0.01},\n",
" {'balance': 500, 'interest_rate': 0.03},\n",
"]\n",
"# your code goes here\n",
"def calc_interest(balance, interest_rate):\n",
" balance += balance * interest_rate\n",
" return balance\n",
"\n",
"new_balances = map(lambda x: calc_interest(x[\"balance\"], x[\"interest_rate\"]), accounts)\n",
"list(new_balances)"
]
},
{
Expand Down Expand Up @@ -243,14 +322,39 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 37,
"id": "6284dbd3-e117-411e-8087-352be6deaed4",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[-26.25, -10.5]\n"
]
},
{
"data": {
"text/plain": [
"-36.75"
]
},
"execution_count": 37,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from functools import reduce\n",
"\n",
"# your code goes here"
"# your code goes here\n",
"print(list(filter(lambda x: x <0, balances_with_interest)))\n",
"\n",
"negative_balances = reduce(lambda x,y: x + y,\n",
" filter(lambda x: x <0, balances_with_interest)\n",
")\n",
"\n",
"negative_balances"
]
},
{
Expand All @@ -273,24 +377,40 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 40,
"id": "da2264b5-298e-4b45-99df-852b94e90d15",
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"[650, 1600, 275]"
]
},
"execution_count": 40,
"metadata": {},
"output_type": "execute_result"
}
],
"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(balance, widthdrawls):\n",
" return balance - sum(widthdrawls)\n",
"\n",
"account_balances = map(lambda x: calculate_balance(x[\"balance\"], x[\"withdrawals\"]), accounts)\n",
"list(account_balances)"
]
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
Expand Down