python运算符
Python数据运算
http://www.runoob.com/python/python-operators.html
http://www.cnblogs.com/alex3714/articles/5465198.html
算数运算:
比较运算:
赋值运算:
>>> a = 21 >>> b = 10 >>> c = 0 >>> print(c) 0 >>> c = a + b >>> print(c) 31 >>> print(c) 31 >>> c += a >>> print(c) 52 >>> c *= a >>> print(c) 1092 >>> c /= a >>> print(c) 52.0 >>> c = 2 >>> print(c) 2 >>> c %= a >>> print(c) 2 >>> c **= a >>> print(c) 2097152 >>> c //= a >>> print(c) 99864 >>> >>>
逻辑运算:
成员运算:
身份运算:
位运算:
按位运算符是把数字看作二进制来进行计算的。Python中的按位运算法则如下: 下表中变量 a 为 60,b 为 13,二进制格式如下: a = 0011 1100 b = 0000 1101 ----------------- a&b = 0000 1100 a|b = 0011 1101 a^b = 0011 0001 ~a = 1100 0011
运算符优先级: