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Àlex Gómez Segura / LAB - Tuples, sets and dictionaries #82

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75275c5
updating the challenges
agomezsegura Oct 20, 2020
df664ea
updating challenges
agomezsegura Oct 20, 2020
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197 changes: 162 additions & 35 deletions your-code/challenge-1.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -15,11 +15,11 @@
},
{
"cell_type": "code",
"execution_count": 13,
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"# Your code here"
"tup = 'I',"
]
},
{
Expand All @@ -33,11 +33,19 @@
},
{
"cell_type": "code",
"execution_count": 14,
"execution_count": 2,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"<class 'tuple'>\n"
]
}
],
"source": [
"# Your code here"
"print(type(tup))"
]
},
{
Expand All @@ -55,13 +63,25 @@
},
{
"cell_type": "code",
"execution_count": 15,
"execution_count": 3,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"('I', 'r')\n"
]
}
],
"source": [
"# Your code here\n",
"#tup.append('r')\n",
" # It's not possible to append the elements because the 'tuple' object has no attribute 'append'. \n",
" # This means this Class has not a built-in function for self.append() command. It is logical as tuples are wanted to be inmutable.\n",
"\n",
"# Your explanation here\n"
"# The correct process to add the elements to 'tup' is to concatenate it with a tuple of the element.\n",
"tup = tup + tuple('r')\n",
"print(tup)"
]
},
{
Expand All @@ -79,13 +99,26 @@
},
{
"cell_type": "code",
"execution_count": 16,
"execution_count": 4,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"('o', 'r')\n"
]
}
],
"source": [
"# Your code here\n",
"#tup[0] = 'o',\n",
" # As tuples are intended to be inmutable data structures, 'tuples' object does not support item assignment.\n",
"\n",
"# Your explanation here\n"
"# Alternative code (but very different from item assignment) could be:\n",
"l_tup = list(tup)\n",
"l_tup[0] = 'o'\n",
"tup = tuple(l_tup)\n",
"print(tup)"
]
},
{
Expand All @@ -103,11 +136,24 @@
},
{
"cell_type": "code",
"execution_count": 17,
"execution_count": 5,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"('I', 'r', 'o', 'n')\n",
"('h', 'a', 'c', 'k')\n"
]
}
],
"source": [
"# Your code here\n"
"tup = (\"I\", \"r\", \"o\", \"n\", \"h\", \"a\", \"c\", \"k\")\n",
"tup1 = tup[:4]\n",
"tup2 = tup[-4:]\n",
"print(tup1)\n",
"print(tup2)"
]
},
{
Expand All @@ -121,11 +167,22 @@
},
{
"cell_type": "code",
"execution_count": 18,
"execution_count": 6,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"True\n",
"('I', 'r', 'o', 'n', 'h', 'a', 'c', 'k') ('I', 'r', 'o', 'n', 'h', 'a', 'c', 'k')\n"
]
}
],
"source": [
"# Your code here\n"
"tup3 = tup1 + tup2\n",
"print(tup3 == tup)\n",
"print(tup3,tup)"
]
},
{
Expand All @@ -137,11 +194,20 @@
},
{
"cell_type": "code",
"execution_count": 19,
"execution_count": 7,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"True\n"
]
}
],
"source": [
"# Your code here\n"
"sum_tups = len(tup1) + len(tup2)\n",
"print(len(tup3) == sum_tups)"
]
},
{
Expand All @@ -153,11 +219,22 @@
},
{
"cell_type": "code",
"execution_count": 20,
"execution_count": 8,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"4"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here"
"tup3.index('h')"
]
},
{
Expand All @@ -177,11 +254,26 @@
},
{
"cell_type": "code",
"execution_count": 21,
"execution_count": 9,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"True\n",
"False\n",
"True\n",
"False\n",
"False\n"
]
}
],
"source": [
"# Your code here\n"
"letters = [\"a\", \"b\", \"c\", \"d\", \"e\"]\n",
"\n",
"for let in letters:\n",
" print(let in tup3,)"
]
},
{
Expand All @@ -195,11 +287,28 @@
},
{
"cell_type": "code",
"execution_count": 22,
"execution_count": 10,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"1\n",
"0\n",
"1\n",
"0\n",
"0\n"
]
}
],
"source": [
"# Your code here\n"
"for let in letters:\n",
" counter = 0\n",
" for i in range(len(tup3)):\n",
" if let == tup3[i]:\n",
" counter = counter+1\n",
" print(counter)"
]
},
{
Expand All @@ -211,11 +320,29 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 11,
"metadata": {},
"outputs": [],
"outputs": [
{
"ename": "NameError",
"evalue": "name 'p_tup1' is not defined",
"output_type": "error",
"traceback": [
"\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[1;31mNameError\u001b[0m Traceback (most recent call last)",
"\u001b[1;32m<ipython-input-11-087260f8dd70>\u001b[0m in \u001b[0;36m<module>\u001b[1;34m\u001b[0m\n\u001b[0;32m 3\u001b[0m \u001b[0mpacked_l\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mappend\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mi\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 4\u001b[0m \u001b[0mpacked_tup\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mtuple\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mpacked_l\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m----> 5\u001b[1;33m \u001b[1;33m(\u001b[0m\u001b[0mp_tup1\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;36m10\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m,\u001b[0m \u001b[1;33m*\u001b[0m\u001b[0mp_tup2\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mp_tup3\u001b[0m\u001b[1;33m[\u001b[0m\u001b[1;36m21\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m]\u001b[0m\u001b[1;33m)\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mpacked_tup\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m 6\u001b[0m \u001b[1;32mfor\u001b[0m \u001b[0mt\u001b[0m \u001b[1;32min\u001b[0m \u001b[0mp_tup2\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m 7\u001b[0m \u001b[0mprint\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mt\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
"\u001b[1;31mNameError\u001b[0m: name 'p_tup1' is not defined"
]
}
],
"source": [
"# Your code here\n"
"packed_l = []\n",
"for i in range(100):\n",
" packed_l.append(i)\n",
"packed_tup = tuple(packed_l)\n",
"(p_tup1[:10], *p_tup2, p_tup3[21:]) = packed_tup\n",
"for t in p_tup2:\n",
" print(t)"
]
}
],
Expand All @@ -235,7 +362,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.3"
"version": "3.8.3"
}
},
"nbformat": 4,
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