# (1) 算数运算符  + - * / // % **
var1 = 6
var2 = 4
# + 
res = var1 + var2
print(res)

# -
res = var1 - var2
print(res)

# *
res = var1 * var2
print(res)

# / 除法 (结果为小数)
res = var1 / var2
res = 10 / 5
print(res)


# // 地板除 (返回整数)
res = 10 // 5
res = 11 // 4
print(res)

# 如果被除数或者除数是一个小数,结果加上.0
res = 11.0 // 4
print(res)

res = 11 % 4
res = -11 % 4  # -3 + 4 = 1
res = 11 % -4  # 3 + (-4) = -1
res = -11 % -4 # -3(如果被除数和除数都是负数,在正常得到的结果前面填上负号即可.)
print(res)

res = -17 % 7 # -3 + 7 = 4
res = 17 % -7 # 3 + (-7) = -4
res = -17 % -7 #-3
print(res)

res = 3 ** 2
res = 3 ** 4
print(res)

var1 = 100
var2 = 100

res = var1 > var2
res = var1 < var2
res = var1 >= var2
res = var1 <= var2
print(res)


# 注意点
res = var1 == var2
print(res)

res = var1 != var2
print(res)

# = 从右向左,将右侧的值赋值给左侧变量
var1 = 9 
var2 = 2


# += 
"""var1 = var1 + var2"""
# var1 += var2
# print(var1)

# -=
"""var1 = var1 - var2"""
# var1 -= var2
# print(var1)

# *=
"""var1 = var1 * var2"""
# var1 *= var2
# print(var1)

# /=
"""var1 = var1 / var2"""
# var1 /= var2
# print(var1)

# //=
"""var1 = var1 // var2"""
# var1 //= var2
# print(var1)

# %= 
"""var1 = var1 % var2"""
# var1 %= var2
# print(var1)

# **=
"""var1 = var1 ** var2"""
var1 **= var2
print(var1)

strvar = "雷霆嘎巴,无情哈拉少"
res = "雷" in strvar
res = "文" not in strvar
res = "无情" in strvar
res = "霆哈少" in strvar
res = ‘,‘ not in strvar
print(res)


# list tuple set
lst = ["余锐","高学峰","治理追","温子月","草神光"]
res = "高学峰" in lst
print(res)

tup = ("余锐","高学峰","治理追","温子月","草神光")
res = "李博伦" not in tup
print(res)

setvar = {"金角大王","银角大王","神秘男孩"}
res = "神秘男孩" in setvar
print(res)

# dict
""" in  和 not in 在字典中只判断键,不判断值 """
dic = {"yr":"英俊帅气","bx":"抠脚大汉","mcp":"高大威猛"}

res = "英俊帅气" in dic # False
res = "yr" in dic
res = "mcp" not in dic
print(res) 

var1 = 1000
var2 = 1000
res = var1 is var2
print(res)

var1 = -5.78
var2 = -5.78
res = var1 is not var2
print(res)

var1 = True
var2 = True
res = var1 is var2
print(res)

var1 = 4-90j
var2 = 4-90j
res = var1 is var2
print(res)

var1 = (1,2,3)
var2 = (1,2,3)
res = var1 is var2
print(res)

"""全真则真,一假则假"""
res = True and True   # True
res = True and False  # False
res = False and True  # False
res = False and False # False
print(res)

"""全假则假,一真则真"""
res = True or True   # True
res = True or False  # True
res = False or True  # True
res = False or False # False
print(res)

"""真变假,假变真"""
res = not True
res = not False
print(res)

"""
短路:
(1) True or 表达式
(2) False and 表达式
"""
"""
True or print("紫月真胖呀")
True or True  => True
True or False => True

False and print("紫月真猛呀")
False and False => False
False and True  => False
"""

"""
bool 类型为假的十种情况
0 0.0 0j False ‘‘ [] () {} set() None
先用大脑算一下布尔值真假,是否出现短路情况
如果出现了直接返回当前值,没出现,继续向右执行;
"""


res = 5 or 6
res = 0 or 6
res = 0 and 9
print(res)

res = 5 or 6 and 7 # 5 or 7 => 5
res = (5 or 6) and 7 # 5 and 7 => 7
res = not(5 or 6) and 7 # not 5 and 7 => False and 7 =>False
print(res)

res = 1>2 or 3<4 and 5>10 or 11<12 and 13>15 or 100<1000 and 1<2
# res = False or True and False or True and False or True and True
# res = False or False or False or True
# res = False or False or True
# res = False or True
# res = True
print(res)

var1 = 19
var2 = 15
print(var1 & var2)
"""
19的二进制
0000 ... 10011
15的二进制
0000 ... 01111

0000 ... 10011
0000 ... 01111
0000 ... 00011 => 3
"""

var1 = 19
var2 = 15
print(var1 | var2)
"""
19的二进制
0000 ... 10011
15的二进制
0000 ... 01111

0000 ... 10011
0000 ... 01111
0000 ... 11111 => 31
"""

"""
1 0 => 1
1 1 => 0
0 0 => 0
0 1 => 1
"""
var1 = 19
var2 = 15
print(var1 ^ var2)
"""
19的二进制
0000 ... 10011
15的二进制
0000 ... 01111

0000 ... 10011
0000 ... 01111
0000 ... 11100 => 28
"""

""" 左移相当于做乘法 : 5 * 2的n次幂 """
res = 5 << 1 # 10
res = 5 << 2 # 20
res = 5 << 3 # 40
print(res)
"""
0000 ...  101
0000 ... 1010  移动一位 10
0000    10100  移动二位 20
"""

""" 右移相当于做除法 : 5 // 2的n次幂 """
res = 5 >> 1 # 2
res = 5 >> 2 # 1
res = 5 >> 3 # 0
print(res)
"""
0000 ...  101
0000 ...  010  移动一位 2
0000 ...  001  移动二位 1
0000 ...  000  移动三位 0
"""

"""公式: -(n+1)"""
var1 = ~19
print(var1)
"""
~ 按位非每一位都取反,包括符号位,求反码每一位除了符号位,都取反.

原码:0000 ... 10011
反码:0000 ... 10011
补码:0000 ... 10011

补码:     0000 ... 10011
按位非:   1111 ... 01100

给你补码求原码:
补码: 1111 ... 01100
反码: 1000 ... 10011
原码: 1000 ... 10100 => -20
"""

var1 = ~(-22)
print(var1)
"""
原码: 1000 ... 10011
反码: 1111 ... 01100
补码: 1111 ... 01101

补码:    1111 ... 01101
按位非:  0000 ... 10010

给你补码求原码:
正数 : 补码 = 反码 = 原码

原码:  0000 ... 10010 => 18
"""