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[Lambda Functions]Fernando Carvalho #199

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184 changes: 147 additions & 37 deletions your-code/main.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -34,11 +34,31 @@
},
{
"cell_type": "code",
"execution_count": 2,
"execution_count": 3,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[3, 4, 5, 6, 7, 8, 9, 10, 11, 12]\n"
]
}
],
"source": [
"# your code here\n"
"# your code here\n",
"num_list = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]\n",
"updated_list = []\n",
"\n",
"add_two = lambda x: x + 2\n",
"\n",
"def update_list(lst, func):\n",
" for num in lst:\n",
" updated_list.append(func(num))\n",
"\n",
"\n",
"update_list(num_list, add_two)\n",
"print(updated_list)"
]
},
{
Expand All @@ -52,11 +72,12 @@
},
{
"cell_type": "code",
"execution_count": 3,
"execution_count": 5,
"metadata": {},
"outputs": [],
"source": [
"# Your code here:\n"
"# Your code here:\n",
"conv = lambda celsius: celsius + 273.15"
]
},
{
Expand All @@ -68,13 +89,28 @@
},
{
"cell_type": "code",
"execution_count": 4,
"execution_count": 7,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"[285.15, 296.15, 311.15, 218.14999999999998, 297.15]"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"temps = [12, 23, 38, -55, 24]\n",
"\n",
"# Your code here:\n"
"# Your code here:\n",
"conv = lambda celsius: celsius + 273.15\n",
"\n",
"temp = list(map(conv, temps))\n",
"temp"
]
},
{
Expand All @@ -88,11 +124,28 @@
},
{
"cell_type": "code",
"execution_count": 5,
"execution_count": 22,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"1"
]
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here:\n"
"# Your code here:\n",
"\n",
"\n",
"mod = lambda x, y: 1 if x % y == 0 or y % x == 0 else 0\n",
" \n",
"res = mod(10,2)\n",
"res"
]
},
{
Expand All @@ -106,16 +159,26 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": 56,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"1"
]
},
"execution_count": 56,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"def divisor(a):\n",
" \"\"\"\n",
" input: a number\n",
" output: a function that returns 1 if the number is divisible by another number (to be passed later) and zero otherwise\n",
" \"\"\"\n",
" # Your code here:\n"
"# Your code here:\n",
"def divisor(x):\n",
" mod = lambda y: 1 if x % y == 0 or y % x == 0 else 0\n",
" return mod\n",
"\n"
]
},
{
Expand All @@ -127,11 +190,11 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": 57,
"metadata": {},
"outputs": [],
"source": [
"# Your code here:\n"
"divisible5 = divisor(5) "
]
},
{
Expand All @@ -143,20 +206,44 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 59,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"1"
]
},
"execution_count": 59,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"divisible5(10)"
"result = divisible5(5)\n",
"result"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 61,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"0"
]
},
"execution_count": 61,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"divisible5(8)"
"result = divisible5(8)\n",
"result"
]
},
{
Expand Down Expand Up @@ -209,17 +296,29 @@
},
{
"cell_type": "code",
"execution_count": 9,
"execution_count": 66,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[2, 3, 4, 5]\n"
]
}
],
"source": [
"#In the following challenge, we will combine two lists using a lambda expression in a list comprehension.\n",
"\n",
"#To do this, we will need to introduce the zip function\n",
"\n",
"list1 = [1,2,4,4]\n",
"list2 = [2,3,3,5]\n",
"## Zip the lists together \n",
"\n",
"## Print the zipped list \n",
"res=[(lambda x, y: x if x > y else y)(x, y) for x, y in zip(list1, list2)]\n",
"\n",
"## Use a lambda expression to compare if: list1 element > list2 element\n"
"print(res)\n",
"\n"
]
},
{
Expand All @@ -242,14 +341,25 @@
},
{
"cell_type": "code",
"execution_count": 10,
"execution_count": 68,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[('Political Science', 'Essay'), ('Computer Science', 'Homework'), ('Engineering', 'Lab'), ('Mathematics', 'Module')]\n"
]
}
],
"source": [
"list1 = ['Engineering', 'Computer Science', 'Political Science', 'Mathematics']\n",
"list2 = ['Lab', 'Homework', 'Essay', 'Module']\n",
"\n",
"# Your code here:\n"
"# Your code here:\n",
"list3 = sorted(zip(list1, list2), key=lambda x: x[1][0])\n",
"\n",
"print(list3)"
]
},
{
Expand Down Expand Up @@ -282,7 +392,7 @@
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"display_name": "Python 3 (ipykernel)",
"language": "python",
"name": "python3"
},
Expand All @@ -296,7 +406,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.3"
"version": "3.9.13"
}
},
"nbformat": 4,
Expand Down