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exercises solved #3

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547 changes: 475 additions & 72 deletions python_functions_exercises.ipynb
View file
Original file line number Diff line number Diff line change
@@ -20,11 +20,33 @@
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"# Your code here"
"execution_count": 2,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"3"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here\n",
"def maximum(a,b,c):\n",
" maxi = float(\"-inf\")\n",
" if a > maxi:\n",
" maxi = a\n",
" if b > maxi:\n",
" maxi = b\n",
" if c > maxi:\n",
" maxi = c\n",
" return maxi\n",
"\n",
"maximum(1,2,3)"
]
},
{
@@ -48,11 +70,29 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 3,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"20"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def sum(lst):\n",
" value = 0\n",
" for num in lst:\n",
" value += num\n",
" return value\n",
"\n",
"sum([8, 2, 3, 0, 7])\n"
]
},
{
@@ -77,11 +117,29 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 4,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"-336"
]
},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def product(lst):\n",
" value = 1\n",
" for num in lst:\n",
" value *= num\n",
" return value\n",
"\n",
"product([8, 2, 3, -1, 7])\n"
]
},
{
@@ -106,11 +164,31 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 5,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"'4321dcba'"
]
},
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here\n"
"# Your code here\n",
"def reverse(string: str):\n",
" reversed_string = \"\"\n",
" length = len(string)\n",
" for i in range(length):\n",
" reversed_string += string[length - i - 1]\n",
" return reversed_string\n",
"\n",
"\n",
"reverse(\"abcd1234\")"
]
},
{
@@ -124,11 +202,28 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 8,
"metadata": {},
"outputs": [],
"outputs": [
{
"data": {
"text/plain": [
"720"
]
},
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def factorial(n):\n",
" if n == 1:\n",
" return 1\n",
" return n * factorial(n - 1)\n",
"\n",
"factorial(6)"
]
},
{
@@ -142,11 +237,26 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 9,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"True\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def range_check(num, lower, upper):\n",
" if lower <= num <= upper:\n",
" return True\n",
" else:\n",
" return False\n",
" \n",
"print(range_check(5,3,10))"
]
},
{
@@ -176,11 +286,30 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 11,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Uppercase: 12 || Lowercase: 4\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def letter_count(string):\n",
" upper = 0\n",
" lower = 0\n",
" for letter in string:\n",
" if 97 <= ord(letter) <= 122:\n",
" upper += 1\n",
" elif 65 <= ord(letter) <= 90:\n",
" lower += 1\n",
" print(f\"Uppercase: {upper} || Lowercase: {lower}\")\n",
"\n",
"letter_count(\"The Quick Brown Fox\")"
]
},
{
@@ -205,11 +334,29 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 15,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[1, 2, 3, 4, 5]\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def unique_list(lst):\n",
" new_list = []\n",
" for element in lst:\n",
" if element in new_list:\n",
" continue\n",
" else:\n",
" new_list.append(element)\n",
" return new_list\n",
"\n",
"print(unique_list([1, 2, 3, 3, 4, 5]))"
]
},
{
@@ -223,11 +370,27 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 20,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Is a prime\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def prime_check(num):\n",
" for i in range(2, num):\n",
" if num % i == 0:\n",
" print(\"Not a prime\")\n",
" return\n",
" print(\"Is a prime\")\n",
"\n",
"prime_check(5)"
]
},
{
@@ -252,11 +415,27 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 22,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[2, 4, 6]\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def even_number(numbers):\n",
" evens = []\n",
" for num in numbers:\n",
" if num % 2 == 0:\n",
" evens.append(num)\n",
" return evens\n",
"\n",
"print(even_number([1, 2, 3, 4, 5, 6]))"
]
},
{
@@ -270,11 +449,30 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 35,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Perfect number\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def perfect_num(num):\n",
" sum_divisors = 0\n",
" for i in range(1 , num):\n",
" if num % i == 0:\n",
" sum_divisors += i\n",
" if num == sum_divisors:\n",
" print(\"Perfect number\")\n",
" else:\n",
" print(\"Nice try\")\n",
"\n",
"perfect_num(8128)"
]
},
{
@@ -288,11 +486,25 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 37,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"not a palindrom\n"
]
}
],
"source": [
"# Your code here"
"def palindrom(string):\n",
" if string.lower() == reverse(string.lower()): #using earlire defined function reverse\n",
" print(\"Is a palindrom\")\n",
" else:\n",
" print(\"not a palindrom\")\n",
"\n",
"palindrom(\"Anna\")"
]
},
{
@@ -306,11 +518,34 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 61,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"[[1], [1, 1], [1, 2, 1], [1, 3, 3, 1], [1, 4, 6, 4, 1]]\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"\n",
"def pascal(n):\n",
" levels = []\n",
" for i in range(n):\n",
" level = []\n",
" for j in range(i+1):\n",
" if j == 0 or j == i:\n",
" level.append(1)\n",
" else:\n",
" level.append(levels[i-1][j-1] + levels[i-1][j])\n",
" levels.append(level)\n",
" \n",
" print(levels)\n",
"\n",
"pascal(5)"
]
},
{
@@ -335,11 +570,31 @@
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# Your code here"
"execution_count": 42,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"is a pangram\n"
]
}
],
"source": [
"# Your code here\n",
"def pangram(string):\n",
" alphabet = \"abcdefghijklmnopqrstuvwxyz\"\n",
" for letter in alphabet:\n",
" if letter in string.lower():\n",
" continue\n",
" else:\n",
" print(\"not a pangram\")\n",
" return\n",
" print(\"is a pangram\")\n",
" return\n",
" \n",
"pangram(\"The quick brown fox jumps over the lazy dog\")"
]
},
{
@@ -364,11 +619,39 @@
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# Your code here"
"execution_count": 43,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"black-green-red-white-yellow-\n"
]
}
],
"source": [
"# Your code here\n",
"def sort_text(string):\n",
" words = []\n",
" word = \"\"\n",
" for character in string:\n",
" if character == \"-\":\n",
" words.append(word)\n",
" word = \"\"\n",
" else:\n",
" word += character \n",
" words.append(word) # for the last word\n",
"\n",
" words.sort()\n",
"\n",
" output = \"\"\n",
" for word in words:\n",
" output += word + \"-\"\n",
" \n",
" print(output)\n",
"\n",
"sort_text(\"green-red-yellow-black-white\")"
]
},
{
@@ -382,11 +665,53 @@
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# Your code here"
"execution_count": 45,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"1\n",
"4\n",
"9\n",
"16\n",
"25\n",
"36\n",
"49\n",
"64\n",
"81\n",
"100\n",
"121\n",
"144\n",
"169\n",
"196\n",
"225\n",
"256\n",
"289\n",
"324\n",
"361\n",
"400\n",
"441\n",
"484\n",
"529\n",
"576\n",
"625\n",
"676\n",
"729\n",
"784\n",
"841\n",
"900\n"
]
}
],
"source": [
"# Your code here\n",
"def squares(n):\n",
" for i in range (1, n+1):\n",
" print(i**2)\n",
"\n",
"squares(30)"
]
},
{
@@ -400,11 +725,40 @@
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": [
"# Your code here"
"execution_count": 48,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"'**_Hello, World!_**'"
]
},
"execution_count": 48,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Your code here\n",
"def bold(func):\n",
" def wrapper():\n",
" result = func()\n",
" return f\"**{result}**\"\n",
" return wrapper\n",
"\n",
"def italic(func):\n",
" def wrapper():\n",
" result = func()\n",
" return f\"_{result}_\"\n",
" return wrapper\n",
"\n",
"@bold\n",
"@italic\n",
"def say_hello():\n",
" return \"Hello, World!\"\n",
"\n",
"say_hello()"
]
},
{
@@ -418,11 +772,27 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 49,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Hello, World!\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"code = \"\"\"\n",
"def greet():\n",
" print(\"Hello, World!\")\n",
"\n",
"greet()\n",
"\"\"\"\n",
"\n",
"exec(code)"
]
},
{
@@ -436,11 +806,28 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 50,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Hello, martijn\n"
]
}
],
"source": [
"# Your code here"
"# Your code here\n",
"def enter_name():\n",
" name = input(\"enter your name\")\n",
" return name\n",
"\n",
"def greet():\n",
" name = enter_name()\n",
" print(f\"Hello, {name}\")\n",
"\n",
"greet()"
]
},
{
@@ -463,11 +850,27 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 55,
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"3\n"
]
}
],
"source": [
"# Your code here"
"def count_local_variables():\n",
" a = 1\n",
" b = 2\n",
" c = 3\n",
" local_vars = locals()\n",
" return len(local_vars)\n",
"\n",
"# Test the function\n",
"print(count_local_variables())"
]
},
{
@@ -481,7 +884,7 @@
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"display_name": "datasci_env",
"language": "python",
"name": "python3"
},
@@ -495,7 +898,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.0"
"version": "3.8.20"
}
},
"nbformat": 4,