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Pre-work Minerva Liste #16

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ed3b49f
adding robot.md to the repository
minervaliste Dec 4, 2019
97b7e8e
adding Python exercises to the repository
minervaliste Dec 30, 2019
f44bf2e
adding statistics exercises to the repository
minervaliste Dec 30, 2019
4d7a960
deleting robot.md from repository
minervaliste Dec 30, 2019
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167 changes: 148 additions & 19 deletions 1.-Python/1.-Snail-and-Well/snail-and-well.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -30,10 +30,15 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": []
"source": [
"well_height = 125\n",
"daily_distance = 30\n",
"nightly_distance = -20\n",
"snail_position = 0"
]
},
{
"cell_type": "markdown",
Expand All @@ -44,10 +49,12 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": []
"source": [
"days = 0"
]
},
{
"cell_type": "markdown",
Expand All @@ -58,10 +65,19 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": []
"source": [
"while (snail_position <= well_height):\n",
" snail_position += daily_distance\n",
" if (snail_position > well_height):\n",
" days += 1\n",
" else:\n",
" days += 1\n",
" snail_position += nightly_distance\n",
" "
]
},
{
"cell_type": "markdown",
Expand All @@ -72,10 +88,22 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 4,
"metadata": {},
"outputs": [],
"source": []
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"It will take the snake 11 days to scape the well.\n"
]
}
],
"source": [
"print(\"\")\n",
"print(\"It will take the snake\", days, \"days to scape the well.\")"
]
},
{
"cell_type": "markdown",
Expand All @@ -96,10 +124,37 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 5,
"metadata": {},
"outputs": [],
"source": []
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"It will take the snake 6 days to scape the well.\n"
]
}
],
"source": [
"well_height = 125\n",
"advance_cm = [30, 21, 33, 77, 44, 45, 23, 45, 12, 34, 55]\n",
"nightly_distance = -20\n",
"snail_position = 0\n",
"days = 0\n",
"\n",
"for i in advance_cm:\n",
" if (snail_position <= well_height):\n",
" snail_position += i\n",
" if (snail_position > well_height):\n",
" days += 1\n",
" else:\n",
" days += 1\n",
" snail_position += nightly_distance\n",
"\n",
"print(\"\")\n",
"print(\"It will take the snake\", days, \"days to scape the well.\")"
]
},
{
"cell_type": "markdown",
Expand All @@ -111,10 +166,34 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 6,
"metadata": {},
"outputs": [],
"source": []
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"The maximum displacement in one day is 57 cm.\n",
"The minimum displacement in one day is 1 cm.\n"
]
}
],
"source": [
"real_daily_distance = advance_cm[:days]\n",
"displacement = []\n",
"\n",
"for i in real_daily_distance[:(days-1)]:\n",
" x = i + nightly_distance\n",
" displacement.append(x)\n",
"\n",
"for i in real_daily_distance[(days-1):]:\n",
" displacement.append(i)\n",
"\n",
"print(\"\")\n",
"print(\"The maximum displacement in one day is\", (max(displacement)), \"cm.\")\n",
"print(\"The minimum displacement in one day is\", (min(displacement)), \"cm.\")"
]
},
{
"cell_type": "markdown",
Expand All @@ -125,10 +204,24 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 7,
"metadata": {},
"outputs": [],
"source": []
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"The average progress of the snake is 25.0 .\n"
]
}
],
"source": [
"average_progress = sum(displacement)/len(displacement)\n",
"\n",
"print(\"\")\n",
"print(\"The average progress of the snake is\", average_progress, \".\")"
]
},
{
"cell_type": "markdown",
Expand All @@ -137,6 +230,42 @@
"#### 4. What is the standard deviation of its displacement? Take into account the snail slides at night."
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"\n",
"The standard deviation for the snake displacement is 19.87460691435179 .\n"
]
}
],
"source": [
"squared_deviation_around_mean = []\n",
"\n",
"for i in displacement:\n",
" x = (i - average_progress)**2\n",
" squared_deviation_around_mean.append(x)\n",
"\n",
"variance = sum(squared_deviation_around_mean)/len(squared_deviation_around_mean)\n",
"\n",
"standard_deviation = variance**0.5\n",
"\n",
"print(\"\")\n",
"print(\"The standard deviation for the snake displacement is\", standard_deviation, \".\")"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
Expand All @@ -161,7 +290,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.7.2"
"version": "3.7.4"
}
},
"nbformat": 4,
Expand Down
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