Python教程-赋值运算

原创
2016/11/15 11:00
阅读数 402

Python赋值运算符:

运算符 描述 示例
= 简单的赋值运算符,赋值从右侧操作数左侧操作数 c = a + b将指定的值 a + b 到  c
+= 加法AND赋值操作符,它增加了右操作数左操作数和结果赋给左操作数 c += a 相当于 c = c + a
-= 减AND赋值操作符,它减去右边的操作数从左边操作数,并将结果赋给左操作数 c -= a 相当于 c = c - a
*= 乘法AND赋值操作符,它乘以右边的操作数与左操作数,并将结果赋给左操作数 c *= a 相当于 c = c * a
/= 除法AND赋值操作符,它把左操作数与正确的操作数,并将结果赋给左操作数 c /= a 相当于= c / a
%= 模量AND赋值操作符,它需要使用两个操作数的模量和分配结果左操作数 c %= a is equivalent to c = c % a
**= 指数AND赋值运算符,执行指数(功率)计算操作符和赋值给左操作数 c **= a 相当于 c = c ** a
//= 地板除,并分配一个值,执行地板除对操作和赋值给左操作数 c //= a 相当于 c = c // a
#!/usr/bin/python
 
a = 21
b = 10
c = 0
 
c = a + b
print "Line 1 - Value of c is ", c
 
c += a
print "Line 2 - Value of c is ", c 
 
c *= a
print "Line 3 - Value of c is ", c 
 
c /= a 
print "Line 4 - Value of c is ", c 
 
c = 2
c %= a
print "Line 5 - Value of c is ", c
 
c **= a
print "Line 6 - Value of c is ", c
 
c //= a
print "Line 7 - Value of c is ", c
Line 1 - Value of c is 31
Line 2 - Value of c is 52
Line 3 - Value of c is 1092
Line 4 - Value of c is 52
Line 5 - Value of c is 2
Line 6 - Value of c is 2097152
Line 7 - Value of c is 99864

 

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