{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Functions and Methods Homework \n",
"\n",
"Complete the following questions:\n",
"____\n",
"**Write a function that computes the volume of a sphere given its radius.**\n",
"<p>The volume of a sphere is given as $$\\frac{4}{3} πr^3$$</p>"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"def vol(rad):\n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"33.49333333333333"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Check\n",
"vol(2)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"___\n",
"**Write a function that checks whether a number is in a given range (inclusive of high and low)**"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": [
"def ran_check(num,low,high):\n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"5 is in the range between 2 and 7\n"
]
}
],
"source": [
"# Check\n",
"ran_check(5,2,7)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"If you only wanted to return a boolean:"
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [],
"source": [
"def ran_bool(num,low,high):\n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ran_bool(3,1,10)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"____\n",
"**Write a Python function that accepts a string and calculates the number of upper case letters and lower case letters.**\n",
"\n",
" Sample String : 'Hello Mr. Rogers, how are you this fine Tuesday?'\n",
" Expected Output : \n",
" No. of Upper case characters : 4\n",
" No. of Lower case Characters : 33\n",
"\n",
"HINT: Two string methods that might prove useful: **.isupper()** and **.islower()**\n",
"\n",
"If you feel ambitious, explore the Collections module to solve this problem!"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [],
"source": [
"def up_low(s):\n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Original String : Hello Mr. Rogers, how are you this fine Tuesday?\n",
"No. of Upper case characters : 4\n",
"No. of Lower case Characters : 33\n"
]
}
],
"source": [
"s = 'Hello Mr. Rogers, how are you this fine Tuesday?'\n",
"up_low(s)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"____\n",
"**Write a Python function that takes a list and returns a new list with unique elements of the first list.**\n",
"\n",
" Sample List : [1,1,1,1,2,2,3,3,3,3,4,5]\n",
" Unique List : [1, 2, 3, 4, 5]"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [],
"source": [
"def unique_list(lst):\n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"[1, 2, 3, 4, 5]"
]
},
"execution_count": 10,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"unique_list([1,1,1,1,2,2,3,3,3,3,4,5])"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"____\n",
"**Write a Python function to multiply all the numbers in a list.**\n",
"\n",
" Sample List : [1, 2, 3, -4]\n",
" Expected Output : -24"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [],
"source": [
"def multiply(numbers): \n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"-24"
]
},
"execution_count": 12,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"multiply([1,2,3,-4])"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"____\n",
"**Write a Python function that checks whether a passed in string is palindrome or not.**\n",
"\n",
"Note: A palindrome is word, phrase, or sequence that reads the same backward as forward, e.g., madam or nurses run."
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [],
"source": [
"def palindrome(s):\n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 14,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"palindrome('helleh')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"____\n",
"#### Hard:\n",
"\n",
"**Write a Python function to check whether a string is pangram or not.**\n",
"\n",
" Note : Pangrams are words or sentences containing every letter of the alphabet at least once.\n",
" For example : \"The quick brown fox jumps over the lazy dog\"\n",
"\n",
"Hint: Look at the string module"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [],
"source": [
"import string\n",
"\n",
"def ispangram(str1, alphabet=string.ascii_lowercase):\n",
" pass"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
]
},
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ispangram(\"The quick brown fox jumps over the lazy dog\")"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"'abcdefghijklmnopqrstuvwxyz'"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"string.ascii_lowercase"
]
},
{
"cell_type": "markdown",
"metadata": {
"collapsed": true
},
"source": [
"#### Great Job!"
]
}
],
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"file_extension": ".py",
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