python变量

#!/usr/bin/pythonnum1 = input("please a number:")num2 = input("please a number:")print "%s + %s = %s" % (num1, num2, num1+num2)print "%s - %s = %s" % (num1, num2, num1-num2)print "%s * %s = %s" % (num1, num2, num1*num2)print "%s / %s = %s" % (num1, num2, num1/num2)print num1 + num2print num1 - num2print num1 * num2print num1 / num2

In [29]: 4 // 3Out[29]: 1 In [30]: 4.0 / 3Out[30]: 1.3333333333333333 In [31]: 8 % 3Out[31]: 2

In [33]: 2 ** 3Out[33]: 8

In [36]: 1 <= 2Out[36]: True In [37]: 1 != 2Out[37]: True In [38]: 1 >= 2Out[38]: False

In [40]: 1 == 2 and 1 < 2Out[40]: False In [41]: 1 == 2 or 1 < 2Out[41]: True In [42]: not 1 == 2Out[42]: True