逻辑运算符
not and or
运算符优先级
not > and >or
printer(x or y) x为非零,则返回x,否则返回y
print(1 or 2) print(3 or 2) print(0 or 1) print(0 or 3)
#打印结果
1
3
1
3
printer(x and y) x为非零,则返回y,x为零,则返回x
print(1 and 2) print(0 and 2) print(2 and 3)
#运行结果
2
0
3
数字转换布尔值
print(bool(1)) print(bool(0)) print(bool(2))
#运行结果
True
False
True