python内置模块补充 一.configparser configparser:用户处理特定格式的文件,其本质是利用open打开文件 # 节点 [section1] #键值对k1 = v1 k2:v2 k1 = v1 #建:k1 k2 k2:v2 [section2] k1 = v1 k3:v3 [section3] k3 = v3 k4:v4 [section4] k4 = v4 k5:v5 在configparser默认将获取的元素当做一个字符串进行处理,不用特定执行元素的类型 1.获取所…

sys模块 import sys def _add(a, b): return a + b def _sub(a, b): return a - b def _mul(a, b): return a * b def _div(a, b): return a / b def caculate(num1, num2, op): '''四则运算''' ''' op_ls = ['+', '-', 'x', '/'] fun_ls = [_add, _sub, _mul, _div] for i in…

类 1)创建一个类 #coding=utf-8 __author__ = 'Administrator' class Employee: '所有员工的基类' empCount = 0 def __init__(self, nm, treatment): self.name = nm self.salary = treatment Employee.empCount += 1 def displayCount(self): print "Total Employee %d" % Empl…