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Write the prime while loop #6

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Write the prime while loop #6

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72 changes: 51 additions & 21 deletions cs-python-loops-challenge.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,34 @@
"outputs": [],
"source": [
"#run the funtion\n",
"sumTo(100)"
"sumTo(200)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"sumTo(5) #1+2+3+4+5 =15"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"sumTo(2) # 1+2=3"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"sumTo(10)"
]
},
{
Expand Down Expand Up @@ -115,10 +142,10 @@
"outputs": [],
"source": [
"def squaresTo(num):\n",
" squares = 0\n",
" squares=0\n",
" #add your code with the required loop here\n",
" \n",
"\n",
" for i in range(1,num+1):\n",
" squares+=i**2 #You tell the program to square the i\n",
" return squares"
]
},
Expand Down Expand Up @@ -158,7 +185,8 @@
"def sumOfFactors(factor, num):\n",
" sumF=0\n",
" # add the loop here\n",
" \n",
" for i in range(0,num+1,factor):\n",
" sumF+=i\n",
" \n",
" return sumF"
]
Expand Down Expand Up @@ -198,8 +226,9 @@
"def sumOfMultiplesOfTwoFactors(f1,f2,num):\n",
" sum2F = 0\n",
" #add your code with loop here\n",
" \n",
"\n",
" for i in range(1,num):\n",
" if i%f1==0 and i%f2==0:\n",
" sum2F+=i\n",
" return sum2F\n",
" "
]
Expand All @@ -214,6 +243,15 @@
"sumOfMultiplesOfTwoFactors(3,4,100)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"sumOfMultiplesOfTwoFactors(3,5,1000)"
]
},
{
"cell_type": "code",
"execution_count": null,
Expand Down Expand Up @@ -243,14 +281,18 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
"def primeTest(num):\n",
" \n",
" #hint: start by assuming the number IS a prime\n",
" isPrime = True\n",
" i = 2\n",
" while(i < num):\n",
" if num % i == 0:\n",
" isPrime = False\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",
Expand All @@ -265,7 +307,7 @@
"outputs": [],
"source": [
"# run the function\n",
"primeTest(23)"
"primeTest(17)"
]
},
{
Expand Down Expand Up @@ -302,18 +344,6 @@
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.5.2"
}
},
"nbformat": 4,
Expand Down