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Harry Fitzgerald-Smith, Python Loops #10

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Harry Fitzgerald-Smith, Python Loops #10

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117 changes: 81 additions & 36 deletions cs-python-loops-challenge.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -110,31 +110,42 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 17,
"metadata": {},
"outputs": [],
"source": [
"def squaresTo(num):\n",
" squares = 0\n",
" #add your code with the required loop here\n",
" \n",
"\n",
" for r in range(1,num+1):\n",
" squares += r**2\n",
" return squares"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 18,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"2870"
]
},
"execution_count": 18,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"#run the funtion\n",
"squaresTo(100)"
"squaresTo(20)"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 22,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -151,31 +162,42 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 47,
"metadata": {},
"outputs": [],
"source": [
"def sumOfFactors(factor, num):\n",
" sumF=0\n",
" # add the loop here\n",
" \n",
" \n",
" for r in range(1,num+1):\n",
" if r%factor==0:\n",
" sumF += r\n",
" return sumF"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 48,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"1683"
]
},
"execution_count": 48,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"#run the function\n",
"sumOfFactors(3, 100)"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 49,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -191,32 +213,44 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 75,
"metadata": {},
"outputs": [],
"source": [
"def sumOfMultiplesOfTwoFactors(f1,f2,num):\n",
" sum2F = 0\n",
" #add your code with loop here\n",
" \n",
" for r in range(1,num+1):\n",
" if r%f1== 0 and r%f2==0:\n",
" sum2F +=r\n",
"\n",
" return sum2F\n",
" "
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 76,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"432"
]
},
"execution_count": 76,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"#call the function\n",
"sumOfMultiplesOfTwoFactors(3,4,100)"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 77,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -225,7 +259,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 78,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -243,34 +277,45 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 16,
"metadata": {},
"outputs": [],
"source": [
"def primeTest(num):\n",
" \n",
" #hint: start by assuming the number IS a prime\n",
" isPrime = True\n",
" \n",
" #write your code using a loop to test whether a number is a prime\n",
" #hint: when is a number NOT a prime??\n",
" \n",
" return isPrime\n"
" if num > 1:\n",
" for factor in range(2,num):\n",
" if num % factor == 0:\n",
" return False\n",
" else:\n",
" return True\n",
" else:\n",
" return False\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 17,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# run the function\n",
"primeTest(23)"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 18,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -280,7 +325,7 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 19,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -289,11 +334,11 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 21,
"metadata": {},
"outputs": [],
"source": [
"assert not primeTest(15), \"error testing 15 is NOT prime\""
"assert primeTest(15), \"error testing 15 is NOT prime\""
]
}
],
Expand Down