Python算术运算符实例详解

脚本专栏 2025/5/2 佚名

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Python算术运算符

以下假设变量a为10，变量b为20：

运算符描述实例 + 加 - 两个对象相加 a + b 输出结果 30 - 减 - 得到负数或是一个数减去另一个数 a - b 输出结果 -10 * 乘 - 两个数相乘或是返回一个被重复若干次的字符串 a * b 输出结果 200 / 除 - x除以y b / a 输出结果 2 % 取模 - 返回除法的余数 b % a 输出结果 0 ** 幂 - 返回x的y次幂 a**b 输出结果 20 // 取整除 - 返回商的整数部分 9//2 输出结果 4 , 9.0//2.0 输出结果 4.0

以下实例演示了Python所有算术运算符的操作：

#!/usr/bin/python
 
a = 21
b = 10
c = 0
 
c = a + b
print "Line 1 - Value of c is ", c
 
c = a - b
print "Line 2 - Value of c is ", c
 
c = a * b
print "Line 3 - Value of c is ", c
 
c = a / b
print "Line 4 - Value of c is ", c
 
c = a % b
print "Line 5 - Value of c is ", c
 
a = 2
b = 3
c = a**b
print "Line 6 - Value of c is ", c
 
a = 10
b = 5
c = a//b
print "Line 7 - Value of c is ", c

以上实例输出结果：

Line 1 - Value of c is 31
Line 2 - Value of c is 11
Line 3 - Value of c is 210
Line 4 - Value of c is 2
Line 5 - Value of c is 1
Line 6 - Value of c is 8
Line 7 - Value of c is 2

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