Python Village - INI5: Working with Files Reading and Writing Python中读写文件是用的open()函数,共有三种模式:r(read mode),w(write mode)和a(append mode)。 比如,我们新建一个txt文档,命名为input.txt,然后粘贴进 Bravely bold Sir Robin rode forth from Camelot Yes, brave ...
Python Village - INI4: Conditions and Loops Python中的条件语句if: a = 42 if a 10: ... print 'the number is less than 10' ... else: ... print 'the number is greater or equal ...
Python Village - INI2: Variables and Some Arithmetic 变量Variables,是计算机语言中能储存计算结果或能表示值抽象概念。 在Python中,基础的数据类型分为strings和numbers。numbers有两类:integers(整数,包括正数与负数)和floats(浮点数,带有小数点)。可以通过下面的方法赋予变量以数值: ...