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Jossue #56

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197 changes: 151 additions & 46 deletions your-code/main.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,17 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 1,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"1\n"
]
}
],
"source": [
"# We first define our iterator:\n",
"\n",
Expand All @@ -36,9 +44,17 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 2,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"2\n"
]
}
],
"source": [
"# We continue to iterate through the iterator.\n",
"\n",
Expand All @@ -47,18 +63,38 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 3,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"3\n"
]
}
],
"source": [
"print(next(iterator))"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 4,
"metadata": {},
"outputs": [],
"outputs": [
{
"ename": "StopIteration",
"evalue": "",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mStopIteration\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-4-91070dc82d50>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[0;31m# After we have iterated through all elements, we will get a StopIteration Error\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 2\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mnext\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0miterator\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m",
"\u001b[0;31mStopIteration\u001b[0m: "
]
}
],
"source": [
"# After we have iterated through all elements, we will get a StopIteration Error\n",
"\n",
Expand All @@ -67,9 +103,19 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 5,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"1\n",
"2\n",
"3\n"
]
}
],
"source": [
"# We can also iterate through an iterator using a for loop like this:\n",
"# Note: we cannot go back directly in an iterator once we have traversed through the elements. \n",
Expand All @@ -90,24 +136,48 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 7,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"0\n"
]
},
{
"data": {
"text/plain": [
"2"
]
},
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"def divisible2(iterator):\n",
" \"\"\"\n",
" This function takes an iterable and returns the first \n",
" element that is divisible by 2 and zero otherwise.\n",
" # This function takes an iterable and returns the first element that is divisible by 2 and zero otherwise\n",
" # Input: Iterable\n",
" # Output: Integer\n",
" \n",
" Input: Iterable\n",
" Output: Integer\n",
" \n",
" Sample Input: iter([1,2,3])\n",
" Sample Output: 2\n",
" \"\"\"\n",
" # Sample Input: iter([1,2,3])\n",
" # Sample Output: 2\n",
" \n",
" # Your code here:\n",
" "
" \n",
" for i in iterator:\n",
" if i %2 == 0:\n",
" return i\n",
" else: \n",
" print('0')\n",
" \n",
"divisible2(iter([1,2,3]))\n",
"\n",
"\n",
"\n"
]
},
{
Expand All @@ -121,15 +191,16 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 8,
"metadata": {},
"outputs": [],
"source": [
"def firstn(n):\n",
" number = 0\n",
" while number < n:\n",
" yield number\n",
" number = number + 1"
" number = 0\n",
" while number < n:\n",
" yield number\n",
" number = number + 1 # n +=1\n",
" "
]
},
{
Expand All @@ -141,13 +212,28 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 9,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"<generator object firstn at 0x7fc2d5ad9740>\n",
"0\n",
"1\n",
"2\n",
"3\n",
"4\n"
]
}
],
"source": [
"iterator = firstn(5)\n",
"\n",
"for i in iterator:\n",
"print(iterator) # I print iterator to check the content \n",
"\n",
"for i in iterator: # Calling a generator function, creates an iterator \n",
" print(i)"
]
},
Expand All @@ -160,25 +246,44 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 10,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"0\n",
"2\n",
"4\n"
]
}
],
"source": [
"def even_iterator(n):\n",
" \"\"\"\n",
" This function produces an iterator containing \n",
" all even numbers between 0 and n.\n",
" \n",
" Input: Integer\n",
" Output: Iterator\n",
" \n",
" Sample Input: 5\n",
" Sample Output: iter([0, 2, 4])\n",
" \"\"\"\n",
" \n",
" # This function produces an iterator containing all even numbers between 0 and n\n",
" # Input: integer\n",
" # Output: iterator\n",
" # Sample Input: 5\n",
" # Sample Output: iter([0, 2, 4])\n",
" # Your code here:\n",
" "
" number = 0 \n",
" while number < n:\n",
" if number %2== 0:\n",
" yield number\n",
" number += 1 \n",
" \n",
"result = even_iterator(5)\n",
"for i in result:\n",
" print(i)"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
Expand All @@ -197,9 +302,9 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.2"
"version": "3.8.3"
}
},
"nbformat": 4,
"nbformat_minor": 2
"nbformat_minor": 4
}