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Basic Python Code Snippets #36

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55a2b8c
salman | added some Python Basics Snippets
Oct 29, 2019
bcbdbf1
salman | removed unnecessary lines
Oct 29, 2019
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360 changes: 360 additions & 0 deletions PythonBasics.ipynb
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Original file line number Diff line number Diff line change
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{
"cells": [
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"\"It's a string\""
]
},
"execution_count": 1,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"\"It's a string\""
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"salman\n"
]
}
],
"source": [
"print(\"salman\")"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [
{
"ename": "SyntaxError",
"evalue": "Missing parentheses in call to 'print'. Did you mean print(\"-\" * 20)? (<ipython-input-9-482f71f884c3>, line 4)",
"output_type": "error",
"traceback": [
"\u001b[0;36m File \u001b[0;32m\"<ipython-input-9-482f71f884c3>\"\u001b[0;36m, line \u001b[0;32m4\u001b[0m\n\u001b[0;31m print \"-\" * 20\u001b[0m\n\u001b[0m ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m Missing parentheses in call to 'print'. Did you mean print(\"-\" * 20)?\n"
]
}
],
"source": [
"table = 8\n",
"start = 1\n",
"max = 10\n",
"print \"-\" * 20\n",
"print \"The table of 8\"\n",
"print \"-\" * 20\n",
"i = start\n",
"while i <= max:\n",
" result = i * table\n",
" print i, \" * \", table, \" =\" , result\n",
" i = i + 1\n",
"print \"-\" * 20\n",
"print \"Done counting...\"\n",
"print \"-\" * 20"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"--------------------\n",
"The table of 8\n",
"--------------------\n",
"1 * 8 = 8\n",
"2 * 8 = 16\n",
"3 * 8 = 24\n",
"4 * 8 = 32\n",
"5 * 8 = 40\n",
"6 * 8 = 48\n",
"7 * 8 = 56\n",
"8 * 8 = 64\n",
"9 * 8 = 72\n",
"10 * 8 = 80\n",
"--------------------\n",
"Done counting...\n",
"--------------------\n"
]
}
],
"source": [
"table = 8\n",
"start = 1\n",
"max = 10\n",
"print(\"-\" * 20)\n",
"print(\"The table of 8\")\n",
"print(\"-\" * 20)\n",
"i = start\n",
"while i <= max:\n",
" result = i * table\n",
" print(i, \" * \", table, \" =\" , result)\n",
" i = i + 1\n",
"print(\"-\" * 20)\n",
"print(\"Done counting...\")\n",
"print(\"-\" * 20)"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [
{
"ename": "NameError",
"evalue": "name 'raw_input' is not defined",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mNameError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-11-15156040caea>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mnumber\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mraw_input\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Enter a number between 1 - 10\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 2\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 3\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"you entered number\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mnumber\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mNameError\u001b[0m: name 'raw_input' is not defined"
]
}
],
"source": [
"number = int(raw_input(\"Enter a number between 1 - 10\"))\n",
"\n",
"print(\"you entered number\", number)"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Enter a number between 1 - 10hello\n"
]
},
{
"ename": "ValueError",
"evalue": "invalid literal for int() with base 10: 'hello'",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mValueError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-12-cbf0226c6bb5>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0mnumber\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0minput\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"Enter a number between 1 - 10\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 2\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 3\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"you entered number\"\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mnumber\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mValueError\u001b[0m: invalid literal for int() with base 10: 'hello'"
]
}
],
"source": [
"number = int(input(\"Enter a number between 1 - 10\"))\n",
"\n",
"print(\"you entered number\", number)"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Enter a number between 1 - 103\n",
"you entered number 3\n"
]
}
],
"source": [
"number = int(input(\"Enter a number between 1 - 10\"))\n",
"\n",
"print(\"you entered number\", number)"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {},
"outputs": [
{
"ename": "SyntaxError",
"evalue": "invalid character in identifier (<ipython-input-14-0905bdd47b13>, line 1)",
"output_type": "error",
"traceback": [
"\u001b[0;36m File \u001b[0;32m\"<ipython-input-14-0905bdd47b13>\"\u001b[0;36m, line \u001b[0;32m1\u001b[0m\n\u001b[0;31m file = open(“testfile.txt”,”w”)\u001b[0m\n\u001b[0m ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid character in identifier\n"
]
}
],
"source": [
"file = open(“testfile.txt”,”w”) \n",
" \n",
"file.write(“Hello World”) \n",
"file.write(“This is our new text file”) \n",
"file.write(“and this is another line.”) \n",
"file.write(“Why? Because we can.”) \n",
" \n",
"file.close() "
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [
{
"ename": "SyntaxError",
"evalue": "invalid character in identifier (<ipython-input-15-fb0523fc3570>, line 7)",
"output_type": "error",
"traceback": [
"\u001b[0;36m File \u001b[0;32m\"<ipython-input-15-fb0523fc3570>\"\u001b[0;36m, line \u001b[0;32m7\u001b[0m\n\u001b[0;31m w.setWindowTitle(‘Guru99’)\u001b[0m\n\u001b[0m ^\u001b[0m\n\u001b[0;31mSyntaxError\u001b[0m\u001b[0;31m:\u001b[0m invalid character in identifier\n"
]
}
],
"source": [
"import sys\n",
"from PyQt5.QtWidgets import QApplication, QWidget\n",
"if __name__ == \"__main__\":\n",
" app = QApplication(sys.argv)\n",
" w = QWidget()\n",
" w.resize(300,300)\n",
" w.setWindowTitle(‘Guru99’)\n",
" w.show()\n",
" sys.exit(app.exec_())"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {},
"outputs": [
{
"ename": "AttributeError",
"evalue": "module 'calendar' has no attribute 'SUNDAT'",
"output_type": "error",
"traceback": [
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m",
"\u001b[0;31mAttributeError\u001b[0m Traceback (most recent call last)",
"\u001b[0;32m<ipython-input-16-c97bc8b53bf7>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[0;32mimport\u001b[0m \u001b[0mcalendar\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 2\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m \u001b[0mc\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mcalendar\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mTextCalendar\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mcalendar\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mSUNDAT\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 4\u001b[0m \u001b[0mstr\u001b[0m \u001b[0;34m=\u001b[0m \u001b[0mc\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mformatmonth\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;36m2025\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0;36m1\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 5\u001b[0m \u001b[0mprint\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mstr\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n",
"\u001b[0;31mAttributeError\u001b[0m: module 'calendar' has no attribute 'SUNDAT'"
]
}
],
"source": [
"import calendar\n",
"\n",
"c = calendar.TextCalendar(calendar.SUNDAT)\n",
"str = c.formatmonth(2025, 1)\n",
"print(str)"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
" January 2025\n",
"Su Mo Tu We Th Fr Sa\n",
" 1 2 3 4\n",
" 5 6 7 8 9 10 11\n",
"12 13 14 15 16 17 18\n",
"19 20 21 22 23 24 25\n",
"26 27 28 29 30 31\n",
"\n"
]
}
],
"source": [
"import calendar\n",
"\n",
"c = calendar.TextCalendar(calendar.SUNDAY)\n",
"str = c.formatmonth(2025, 1)\n",
"print(str)"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"['Python']\n"
]
}
],
"source": [
"import re\n",
"xx = \"Python is a Simple Programming Language\"\n",
"r1 = re.findall(r\"^\\w+\",xx)\n",
"print(r1)"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"['we', 'are', 'splitting', 'the', 'words']\n"
]
}
],
"source": [
"import re\n",
"print((re.split(r'\\s','we are splitting the words')))"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
}
],
"metadata": {
"kernelspec": {
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
"language_info": {
"codemirror_mode": {
"name": "ipython",
"version": 3
},
"file_extension": ".py",
"mimetype": "text/x-python",
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.6.7"
}
},
"nbformat": 4,
"nbformat_minor": 2
}