preview

C-002 · C-002 · commit fd9ab6f8913a · 2018-03-02T15:29:55.000Z
diff --git a/Preview/Preview.ipynb b/Preview/Preview.ipynb
@@ -0,0 +1,124 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## p28"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from person_start import Person\n",
+    "bob = Person('Bob Smith', 42)\n",
+    "sue = Person('Sue Jones', 45, 40000)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Bob Smith 0\n",
+      "Sue Jones 40000\n"
+     ]
+    }
+   ],
+   "source": [
+    "people = [bob, sue]\n",
+    "for person in people:\n",
+    "    print(person.name, person.pay)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 3,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[('Bob Smith', 0), ('Sue Jones', 40000)]"
+      ]
+     },
+     "execution_count": 3,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "x = [(person.name, person.pay) for person in people]\n",
+    "x"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 4,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "['Sue Jones']"
+      ]
+     },
+     "execution_count": 4,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[rec.name for rec in people if rec.age >= 45]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "[42, 2025]"
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "[(rec.age ** 2 if rec.age >= 45 else rec.age) for rec in people]"
+   ]
+  }
+ ],
+ "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": "3.6.4"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}
diff --git a/Preview/manager.py b/Preview/manager.py
@@ -0,0 +1,11 @@
+from person import Person
+
+class Manager(Person):
+    def giveRaise(self, percent, bonus=0.1):
+        self.pay *= (1.0 + percent + bonus)
+
+if __name__ == '__main__':
+    tom = Manager(name='Tom Doe', age=50, pay=50000)
+    print(tom.lastName())
+    tom.giveRaise(.20)
+    print(tom.pay)
diff --git a/Preview/person.py b/Preview/person.py
@@ -0,0 +1,19 @@
+class Person:
+    def __init__(self, name, age, pay=0, job=None):
+        self.name = name
+        self.age  = age
+        self.pay  = pay
+        self.job  = job
+    def lastName(self):
+        return self.name.split()[-1]
+    def giveRaise(self, percent):
+        self.pay *= (1.0 + percent)
+    
+if __name__ == '__main__':
+    bob = Person('Bob Smith', 42, 30000, 'software')
+    sue = Person('Sue Jones', 45, 40000, 'hardware')
+    print(bob.name, sue.pay)
+
+    print(bob.lastName())
+    sue.giveRaise(.10)
+    print(sue.pay)
diff --git a/Preview/person_start.py b/Preview/person_start.py
@@ -0,0 +1,15 @@
+class Person:
+    def __init__(self, name, age, pay=0, job=None):
+        self.name = name
+        self.age  = age
+        self.pay  = pay
+        self.job  = job
+    
+if __name__ == '__main__':
+    bob = Person('Bob Smith', 42, 30000, 'software')
+    sue = Person('Sue Jones', 45, 40000, 'hardware')
+    print(bob.name, sue.pay)
+
+    print(bob.name.split()[-1])
+    sue.pay *= 1.10
+    print(sue.pay)
