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Soft #13

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3fecbe1
Soft
mechaleth Mar 23, 2020
bba6a71
Soft updates, tusk understanding
mechaleth Mar 23, 2020
e699fd8
__iter__ updated, __next__ added
mechaleth Mar 23, 2020
4b65847
reversed updated
mechaleth Mar 23, 2020
adb0eb4
insert added, class variables privatizited
mechaleth Mar 25, 2020
66f2979
Hard mode done i guess
mechaleth Mar 27, 2020
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233 changes: 214 additions & 19 deletions lecture_2/Lecture 2.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -1874,7 +1874,7 @@
},
{
"cell_type": "code",
"execution_count": 51,
"execution_count": 1,
"metadata": {},
"outputs": [
{
Expand Down Expand Up @@ -1904,7 +1904,7 @@
},
{
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"execution_count": 52,
"execution_count": 2,
"metadata": {},
"outputs": [
{
Expand Down Expand Up @@ -1949,7 +1949,7 @@
},
{
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"execution_count": 160,
"execution_count": 3,
"metadata": {},
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"source": [
Expand All @@ -1959,7 +1959,7 @@
},
{
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"execution_count": 166,
"execution_count": 4,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -1979,7 +1979,7 @@
},
{
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"execution_count": 167,
"execution_count": 5,
"metadata": {},
"outputs": [],
"source": [
Expand All @@ -1988,21 +1988,26 @@
},
{
"cell_type": "code",
"execution_count": 168,
"execution_count": 6,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"52\n",
"100\n",
"29\n",
"44\n",
"28\n",
"73\n",
"41\n",
"39\n",
"91\n",
"37\n"
"44\n",
"51\n",
"46\n",
"61\n",
"71\n",
"9\n",
"89\n",
"58\n",
"50\n"
]
}
],
Expand All @@ -2014,16 +2019,16 @@
},
{
"cell_type": "code",
"execution_count": 169,
"execution_count": 7,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"52"
"100"
]
},
"execution_count": 169,
"execution_count": 7,
"metadata": {},
"output_type": "execute_result"
}
Expand All @@ -2035,16 +2040,16 @@
},
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"execution_count": 170,
"execution_count": 8,
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"outputs": [
{
"data": {
"text/plain": [
"8"
"13"
]
},
"execution_count": 170,
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
Expand Down Expand Up @@ -2086,6 +2091,196 @@
"Hint 2 - наследование от классов из ```collections.abc``` **не лопускается!**"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"len = 4\n",
"1st element = 0\n",
"slice 1:3:1 = [0.4, 0.21]\n",
"contains 0.400000 is True \n",
"contains 0.100000 is False \n",
"<generator object <genexpr> at 0x776b373f20>\n",
"0.3\n",
"0.4\n",
"0.21\n",
"0.4\n",
"0.3\n",
"0.4\n",
"0.21\n",
"0.4\n",
"index of 0.400000 = 1\n",
"array after reverse [0.4, 0.21, 0.4, 0.3]\n",
"index of 0.400000 = 0\n",
"counts of 0.500000 = 0\n",
"counts of 0.400000 = 2\n",
"counts of 0.300000 = 1\n",
"After set [0.4, 0.21, 0.14, 0.3]\n",
"Deletes!\n",
"After deletes [0.4, 0.14, 0.3]\n",
"After implement append to (0.68,) result is [0.4, 0.14, 0.3, 0.68]\n",
"After implement insert to (1, 0.56) result is [0.4, 0.56, 0.14, 0.3, 0.68]\n",
"After inserts 0.560000 to 1 [0.4, 0.56, 0.14, 0.3, 0.68]\n",
"After self reverse by reverse() [0.68, 0.3, 0.14, 0.56, 0.4]\n",
"After implement extend to ([3.5, 0.8],) result is [0.68, 0.3, 0.14, 0.56, 0.4, 3.5, 0.8]\n",
"Pop result 0.8 and array [0.68, 0.3, 0.14, 0.56, 0.4, 3.5]\n",
"Pop result 3.5 and array [0.68, 0.3, 0.14, 0.56, 0.4]\n",
"remove 0.300000 result array [0.68, 0.14, 0.56, 0.4]\n",
"iadd result [2.4, 6.9] and array [0.68, 0.14, 0.56, 0.4, 2.4, 6.9]\n"
]
}
],
"source": [
"from array import array\n",
"from math import floor\n",
"\n",
"class ArrayList:\n",
" def __init__(self, char, collection):\n",
" self.__char = char\n",
" self.__inner_array = array(char,collection)\n",
" self.__list_counter = 0\n",
" \n",
" def __len__(self):\n",
" counts = 0\n",
" for elem in self.__inner_array:\n",
" counts+=1\n",
" return counts\n",
" \n",
" def __getitem__(self,index):\n",
" if type(index) == slice:\n",
" getitem_list = []\n",
" for elem in self.__inner_array[index]:\n",
" getitem_list+=[elem]\n",
" return getitem_list\n",
" else:\n",
" return self.__inner_array[index]\n",
" \n",
" def __setitem__(self,index,value):\n",
" self.__inner_array[index] = value\n",
" \n",
" def __delitem__(self, key):\n",
" print(\"Deletes!\")\n",
" del self.__inner_array[key]\n",
" \n",
" def __contains__(self,item):\n",
" return (item in self.__inner_array)\n",
" \n",
" def __iter__(self):\n",
" return self\n",
" \n",
" def __next__(self):\n",
" if self.__list_counter < self.__len__():\n",
" self.__list_counter+=1\n",
" return self.__inner_array[self.__list_counter-1]\n",
" else:\n",
" self.__list_counter = 0\n",
" raise StopIteration\n",
" \n",
" def __reversed__(self):\n",
" len = self.__len__()\n",
" for i in range(floor(len/2)):\n",
" elem = self.__inner_array[i]\n",
" self.__inner_array[i] = self.__inner_array[len - i - 1]\n",
" self.__inner_array[len - i - 1] = elem\n",
" \n",
" def insert(self,index,item):\n",
" innerarray = self.__inner_array[0:index]\n",
" innerarray+= array(self.__char,[item])\n",
" innerarray+= self.__inner_array[index::]\n",
" del self.__inner_array\n",
" self.__inner_array = innerarray\n",
" \n",
" def index(self,item):\n",
" index = 0\n",
" for elem in self.__inner_array:\n",
" if elem == item:\n",
" return index\n",
" index+=1\n",
" return 0\n",
" \n",
" def count(self,item):\n",
" counts = 0\n",
" for elem in self.__inner_array:\n",
" if elem == item:\n",
" counts+=1\n",
" return counts\n",
" \n",
" def append(self,item):\n",
" self.__inner_array+=array(self.__char,[item])\n",
" \n",
" def reverse(self):\n",
" self.__reversed__()\n",
" \n",
" def extend(self,item):\n",
" self.__inner_array+=array(self.__char,item)\n",
" \n",
" def pop(self):\n",
" number_be_dead = len(self)-1\n",
" return_item = self.__inner_array[number_be_dead]\n",
" del self.__inner_array[number_be_dead]\n",
" return return_item\n",
" \n",
" def remove(self, value):\n",
" for i in range(len(self.__inner_array)):\n",
" if self.__inner_array[i] == value:\n",
" del self.__inner_array[i]\n",
" break\n",
"\n",
" def __iadd__(self,value):\n",
" self.__inner_array+=array(self.__char,value)\n",
" return self\n",
" \n",
" def return_it(self):\n",
" return list(self.__inner_array)\n",
"\n",
"this_arraylist = ArrayList(\"d\",[0.3,0.4,0.21,0.4])\n",
"print(\"len = %d\" %len(this_arraylist))\n",
"print(\"1st element = %d\" %this_arraylist[1])\n",
"print(\"slice 1:3:1 = %s\" %str(this_arraylist[1:3:1]))\n",
"print(\"contains %f is %s \" % (0.4, str(0.4 in this_arraylist)))\n",
"print(\"contains %f is %s \" % (0.1, str(0.1 in this_arraylist)))\n",
"print(gnome for gnome in this_arraylist)\n",
"for gnome in this_arraylist:\n",
" print(gnome)\n",
"for gnome in this_arraylist:\n",
" print(gnome)\n",
"print(\"index of %f = %s\" % (0.4, str(this_arraylist.index(0.4))))\n",
"reversed(this_arraylist)\n",
"print(\"array after reverse %s\" % str(this_arraylist.return_it()))\n",
"print(\"index of %f = %s\" % (0.4, str(this_arraylist.index(0.4))))\n",
"print(\"counts of %f = %d\" %(0.5, this_arraylist.count(0.5)))\n",
"print(\"counts of %f = %d\" %(0.4, this_arraylist.count(0.4)))\n",
"print(\"counts of %f = %d\" %(0.3, this_arraylist.count(0.3)))\n",
"this_arraylist[2] = 0.14\n",
"print(\"After set %s\" %str(this_arraylist.return_it()))\n",
"del this_arraylist[1]\n",
"print(\"After deletes %s\" %str(this_arraylist.return_it()))\n",
"def test_method(arraylist,method_to_do,*value_to_test):\n",
" method_to_do(*value_to_test)\n",
" print(\"After implement %s to %s result is %s\" %(str(method_to_do.__name__),str(value_to_test),str(arraylist.return_it())))\n",
"test_method(this_arraylist,this_arraylist.append,0.68)\n",
"test_method(this_arraylist,this_arraylist.insert,1,0.56)\n",
"print(\"After inserts %f to %d %s\" %(0.56,1.0,str(this_arraylist.return_it())))\n",
"this_arraylist.reverse()\n",
"print(\"After self reverse by reverse() %s\" %str(this_arraylist.return_it()))\n",
"list_to_extend = [3.5,0.8]\n",
"test_method(this_arraylist,this_arraylist.extend,list_to_extend)\n",
"#test_method([\"п\",\"о\",\"ф\",\"1\",\"g\"],this_arraylist.extend)\n",
"#test_method(5,this_arraylist,this_arraylist.extend)\n",
"print(\"Pop result %s and array %s\" %(str(this_arraylist.pop()),str(this_arraylist.return_it())))\n",
"print(\"Pop result %s and array %s\" %(str(this_arraylist.pop()),str(this_arraylist.return_it())))\n",
"this_arraylist.remove(0.3)\n",
"print(\"remove %f result array %s\" %(0.3,str(this_arraylist.return_it())))\n",
"list_to_test=[2.4,6.9]\n",
"this_arraylist+=list_to_test\n",
"print(\"iadd result %s and array %s\" %(str(list_to_test),str(this_arraylist.return_it())))"
]
},
{
"cell_type": "markdown",
"metadata": {},
Expand Down Expand Up @@ -2135,7 +2330,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.4"
"version": "3.6.3"
},
"toc": {
"base_numbering": 1,
Expand Down