04 楼倩波

1-7_practice/02_方志强/02_方志强_ex1.ipynb

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+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 1.输入矩形的长与宽，计算矩形面积"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 8,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "6000\n"
+     ]
+    }
+   ],
+   "source": [
+    "length=100\n",
+    "width=60\n",
+    "area=length*width\n",
+    "print(area)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 2.输入一个时间值s,它是距当日午夜的秒值，计算目前的时间，时间按HH:MM:SS格式输出。"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Time:23:48:54\n"
+     ]
+    }
+   ],
+   "source": [
+    "s=666\n",
+    "b=86400\n",
+    "c=(b-s)//3600\n",
+    "d=((b-s)-c*3600)//60\n",
+    "e=((b-s)-c*3600-d*60)\n",
+    "print(\"Time:%02d:%02d:%02d\"%(c,d,e))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 3.如a=1、b=2、c=3、d=0写出下列的逻辑值\n",
+    "# （1）a>b and b>c or a+b<c\n",
+    "# （2）a-b<c or b>c and not c\n",
+    "# （3）not d or b>c+a or a\n",
+    "# （4）d and b and c>d and a*b>c\n",
+    "# （5）not（a>b and c>d）\n",
+    "# （6）a*b>c or b+c>d and not d\n",
+    "# （7）c+d<=b+d and d<c or 2*b>c\n",
+    "# （8）d < b or c>a+b+d and b<c+a"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 10,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n",
+      "True\n",
+      "True\n",
+      "0\n",
+      "True\n",
+      "True\n",
+      "True\n",
+      "True\n"
+     ]
+    }
+   ],
+   "source": [
+    "a=1\n",
+    "b=2\n",
+    "c=3\n",
+    "d=0\n",
+    "print(a>b and b>c or a+b<c)\n",
+    "print(a-b<c or b>c and not c)\n",
+    "print(not d or b>c+a or a)\n",
+    "print(d and b and c>d and a*b>c)\n",
+    "print(not (a>b and c>d))\n",
+    "print(a*b>c or b+c>d and not d)\n",
+    "print(c+d<=b+d and d<c or 2*b>c)\n",
+    "print(d<b or c>a+b+d and b<c+a)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 4.有一个数x在区间[-5，0]内，写出其条件表达式。"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 11,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "False"
+      ]
+     },
+     "execution_count": 11,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "x>=-5 and x<=0"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 5.写出下面表达式的值（设a=1，b=2，c=3，x=4，y=3）\n",
+    "#  (1)a+b>c and b==c\n",
+    "#  (2)not a<b and b not =c or x+y<=3\n",
+    "#  (3)a+（b>=x+y）and c-a and y-x\n",
+    "#  (4) not(x==a) and (y==b) and 0\n",
+    "#  (5) not (a+b)+c-1 and b+c/2\n",
+    "#  (6) a or 1+'a' and b and 'c'"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 15,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "False\n",
+      "False\n",
+      "-1\n",
+      "False\n",
+      "False\n",
+      "1\n"
+     ]
+    }
+   ],
+   "source": [
+    "a=1\n",
+    "b=2\n",
+    "c=3\n",
+    "x=4\n",
+    "y=3\n",
+    "print(a+b>c and b==c)\n",
+    "print(not (a<b)and (b !=c) or (x+y<=3))\n",
+    "print(a+(b>=x+y) and c-a and y-x)\n",
+    "print(not(x==a) and (y==b) and 0)\n",
+    "print(not (a+b)+c-1 and b+c/2)\n",
+    "print(a or 1+'a' and b and 'c')"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "# 计算学生成绩"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdin",
+     "output_type": "stream",
+     "text": [
+      "数学成绩: 100\n",
+      "语文成绩: 92\n",
+      "英文成绩： 95\n"
+     ]
+    },
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "总分： 287.0 平均： 95.66666666666667\n"
+     ]
+    }
+   ],
+   "source": [
+    "math = input(\"数学成绩:\")\n",
+    "chinese = input(\"语文成绩:\")\n",
+    "english = input(\"英文成绩：\")\n",
+    "math = float(math)\n",
+    "chinese = float(chinese)\n",
+    "english = float (english)\n",
+    "sum = math + chinese + english\n",
+    "print(\"总分：\",sum,\"平均：\",sum/3)"
+   ]
+  },
+  {
+   "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": "3.7.0"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}