1.2.0 Python运算符

待我称王封你为后i 2022-05-30 07:11 128阅读 0赞

四则运算中的一些运算符，如加减乘除，对应的符号分别是：+、-、\*、/，此外，还有求余数的“%”等，都是算术运算符。

1，算术运算符

算术运算符

<table style="table-layout:fixed;white-space:nowrap;width:0px;">      
 <tbody> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">运算符</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">描述</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">实例</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">+</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">加，两个对象相加</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">10+20输出结果 30</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">-</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">减，得到负数或一个数减去另一个数</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">10-20输出结果 -10</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">*</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">乘，两个数相乘或返回一个被重复若干次的字符串</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">10*20输出结果 200</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:Tahoma;color:rgb(0,0,0);background-color:transparent;">/</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">除，x/y</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">20/10输出结果 2</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">%</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">取余，返回除法的余数</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">20%10输出结果 0</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">**</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">幂，返回x的y次幂</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">10**2输出结果 100</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">//</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">取整除，输出商的整数部分</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">9/2输出结果 4</span> 
    </div></td> 
  </tr> 
 </tbody> 
</table>

2，比较运算符

<table style="table-layout:fixed;white-space:nowrap;width:0px;">      
 <tbody> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">运算符</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">描述</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">实例</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">==</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:Tahoma;color:rgb(0,0,0);background-color:transparent;">等于（注意：2个符号）</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">（a==b）返回false</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">！=</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">不等于</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">(a!=b)返回True</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:Tahoma;color:rgb(0,0,0);background-color:transparent;">&gt;</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">大于</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">(a&gt;b)返回False</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">&lt;</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">小鱼</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">（a&lt;b）返回True</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">&gt;=</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">大于等于</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:Tahoma;color:rgb(0,0,0);background-color:transparent;">（a&gt;=b）返回False</span> 
    </div></td> 
  </tr> 
  <tr style="height:40px;"> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">&lt;=</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:'Microsoft YaHei', STXihei;color:rgb(0,0,0);background-color:transparent;">小于等于</span> 
    </div></td> 
   <td style="color:rgb(57,57,57);border-color:rgb(167,167,167);text-align:center;white-space:pre-wrap;"> 
    <div> 
     <span style="font-family:Tahoma;color:rgb(0,0,0);background-color:transparent;">（a&lt;=b）返回True</span> 
    </div></td> 
  </tr> 
 </tbody> 
</table>

>>> a=10

>>> b=12

>>> a<b

True

>>> a==b

False

>>> a!=b

True

>>> a>=b

False

>>> a<=b

True