简明Python教程学习笔记_第5章 运算符与表达式

运算符

 

运算符优先级：

 

表达式：

expression.py

#!/usr/bin/python
# Filename: expression.py

length = 5
breadth = 2
area = length * breadth
print 'Area is', area
print 'Perimeter is', 2 * (length + breadth)