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convert all md files to python noteboks
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‎notebooks/Day_10.ipynb

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‎notebooks/Day_11.ipynb

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‎notebooks/Day_12.ipynb

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{
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"cells": [
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"# Question 44\n",
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"\n",
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"### **Question:**\n",
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"\n",
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"> **_Write a program which can map() to make a list whose elements are square of numbers between 1 and 20 (both included)._**\n",
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"\n",
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"---\n",
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"\n",
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"### Hints:\n",
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"\n",
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"> **_Use map() to generate a list. Use lambda to define anonymous functions._**\n",
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"\n",
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"---\n",
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"\n",
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"**Main Author's Solution: Python 2**"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"squaredNumbers = map(lambda x: x**2, range(1,21))\n",
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"print squaredNumbers"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"---\n",
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"\n",
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"**My Solution: Python 3**"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"def sqr(x):\n",
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" return x*x\n",
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"\n",
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"squaredNumbers = list(map(sqr, range(1,21)))\n",
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"print (squaredNumbers)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"---\n",
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"\n",
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"# Question 45\n",
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"\n",
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"### **Question:**\n",
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"\n",
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"> **_Define a class named American which has a static method called printNationality._**\n",
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"\n",
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"---\n",
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"\n",
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"### Hints:\n",
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"\n",
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"> **_Use @staticmethod decorator to define class static method.There are also two more methods.To know more, go to this [link](https://realpython.com/blog/python/instance-class-and-static-methods-demystified/)._**\n",
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"\n",
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"---\n",
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"\n",
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"**Main Author's Solution: Python 2**"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"class American(object):\n",
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" @staticmethod\n",
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" def printNationality():\n",
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" print \"America\"\n",
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"\n",
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"anAmerican = American()\n",
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"anAmerican.printNationality()\n",
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"American.printNationality()"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"---\n",
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"\n",
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"**My Solution: Python 3**"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"class American():\n",
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" @staticmethod\n",
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" def printNationality():\n",
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" print(\"I am American\")\n",
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"\n",
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"american = American()\n",
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"american.printNationality() # this will not run if @staticmethod does not decorates the function.\n",
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" # Because the class has no instance.\n",
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"\n",
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"American.printNationality() # this will run even though the @staticmethod\n",
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" # does not decorate printNationality()"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"---\n",
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"\n",
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"# Question 46\n",
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"\n",
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"### **Question:**\n",
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"\n",
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"> **_Define a class named American and its subclass NewYorker._**\n",
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"\n",
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"---\n",
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"\n",
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"### Hints:\n",
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"\n",
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"> **Use class Subclass(ParentClass) to define a subclass.\\***\n",
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"\n",
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"---\n",
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"\n",
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"**Main Author's Solution: Python 2**"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"class American(object):\n",
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" pass\n",
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"\n",
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"class NewYorker(American):\n",
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" pass\n",
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"\n",
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"anAmerican = American()\n",
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"aNewYorker = NewYorker()\n",
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"print anAmerican\n",
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"print aNewYorker"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"---\n",
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"\n",
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"**My Solution: Python 3**"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"class American():\n",
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" pass\n",
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"\n",
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"class NewYorker(American):\n",
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" pass\n",
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"\n",
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"american = American()\n",
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"newyorker = NewYorker()\n",
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"\n",
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"print(american)\n",
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"print(newyorker)"
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]
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},
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{
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"cell_type": "markdown",
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"metadata": {},
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"source": [
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"---\n",
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"\n",
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"[**_go to previous day_**](https://github.com/darkprinx/100-plus-Python-programming-exercises-extended/blob/master/Status/Day_11.md \"Day 11\")\n",
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"\n",
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"[**_go to next day_**](https://github.com/darkprinx/100-plus-Python-programming-exercises-extended/blob/master/Status/Day_13.md \"Day 13\")\n",
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"\n",
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"[**_Discussion_**](https://github.com/darkprinx/100-plus-Python-programming-exercises-extended/issues/3)"
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]
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}
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],
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"metadata": {},
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"nbformat": 4,
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"nbformat_minor": 4
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}

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