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비트연산자 연습.py

+Python 3.7.1 (v3.7.1:260ec2c36a, Oct 20 2018, 14:05:16) [MSC v.1915 32 bit (Intel)] on win32
+Type "help", "copyright", "credits" or "license()" for more information.
+>>> #비트 연산자 공부
+>>> 
+>>> 
+>>> a=0b110110
+>>> a
+54
+>>> bin(a)
+'0b110110'
+>>> a>>1
+27
+>>> bin(54)
+'0b110110'
+>>> a>>1
+27
+>>> bin(a)
+'0b110110'
+>>> bin(a>>1)
+'0b11011'
+>>> a<<1
+108
+>>> a<<4
+864
+>>> bin(a<<4)
+'0b1101100000'
+>>> a>>5
+1
+>>> a>>2
+13
+>>> bin(13)
+'0b1101'
+>>> a>>5
+1
+>>> bin(a>>5)
+'0b1'
+>>> b=-1
+>>> bin(b)
+'-0b1'
+>>> 9^10
+3
+>>> a=60
+>>> b=13
+>>> bin(60)
+'0b111100'
+>>> bin(13)
+'0b1101'
+>>> a&b
+12
+>>> a|b
+61
+>>> a^b
+49
+>>> a~b
+SyntaxError: invalid syntax
+>>> ~a
+-61
+>>> ~b
+-14
+>>> a<<2
+240
+>>> bin(a)
+'0b111100'
+>>> b<<2
+52
+>>> bin(a<<2)
+'0b11110000'
+>>> bin(b<<2)
+'0b110100'
+>>> ~a
+-61
+>>> bin(a)
+'0b111100'
+>>> bin(~a)
+'-0b111101'
+>>> bin(9^10)
+'0b11'
+>>> bin(0b110110110111^0b1111)
+'0b110110111000'
+>>> bin(110110110111^0xf)
+'0b1100110100011000100101111000110010000'
+>>> bin(0b110110110111^0xf)
+'0b110110111000'
+>>> bin(0b110110110111^15)
+'0b110110111000'
+>>> bin(0b110110110111^0o17)
+'0b110110111000'
+>>> bin(0b110110110111^0b1111)
+'0b110110111000'
+>>> a=2340
+>>> bin(a)
+'0b100100100100'
+>>> ~a
+-2341
+>>> bin(~a)
+'-0b100100100101'
+>>> a=120
+>>> bin(a)
+'0b1111000'
+>>> ~a
+-121
+>>> bin(~a)
+'-0b1111001'
+>>> a=61
+>>> a=60
+>>> ~a
+-61
+>>> bin(a)
+'0b111100'
+>>> bin(~a)
+'-0b111101'
+>>> a=6
+>>> ~a
+-7
+>>> bin(a)
+'0b110'
+>>> bin(~a)
+'-0b111'
+>>> bin(7)
+'0b111'
+>>> bin(~7)
+'-0b1000'
+>>> 7
+7
+>>> ~7
+-8
+>>> bin(9)
+'0b1001'
+>>> bin(~9)
+'-0b1010'
+>>> ~9
+-10
+>>> bin(-9)
+'-0b1001'
+>>> ~(
+	~9
+
+	~9
+	
+SyntaxError: invalid syntax
+>>> ~9
+	
+-10
+>>> ~1
+	
+-2
+>>> ~8
+	
+-9
+>>> ~0.1
+	
+Traceback (most recent call last):
+  File "<pyshell#79>", line 1, in <module>
+    ~0.1
+TypeError: bad operand type for unary ~: 'float'
+>>> ~2
+	
+-3
+>>> ~2
+	
+-3
+>>> ~-2
+	
+1
+>>> ~-8
+	
+7
+>>> bin(~-8)
+	
+'0b111'
+>>> bin(-8)
+	
+'-0b1000'
+>>> 8
+	
+8
+>>> ~8
+	
+-9
+>>> bin(8)
+	
+'0b1000'
+>>> bin(~8)
+	
+'-0b1001'
+>>> 7
+	
+7
+>>> bin(7)
+	
+'0b111'
+>>> bin(~7)
+	
+'-0b1000'
+>>> 
+	
+>>> 1
+	
+1
+>>> ~1
+	
+-2
+>>> 7
+	
+7
+>>> ~7
+	
+-8
+>>> bin(7)
+	
+'0b111'
+>>> bin(~7)
+	
+'-0b1000'
+>>> bin(-2)
+	
+'-0b10'
+>>> bin(`61)
+	
+SyntaxError: invalid syntax
+>>> bin(-61)
+	
+'-0b111101'
+>>> bin(61)
+	
+'0b111101'
+>>> -0b1000
+	
+-8
+>>> a=0b01001100
+	
+>>> bin(a&-0b1000)
+	
+'0b1001000'
+>>> bin(~18)
+	
+'-0b10011'
+>>> bin(-18)
+	
+'-0b10010'
+>>> bin(~15)
+	
+'-0b10000'
+>>> a=15
+	
+>>> ~a
+	
+-16
+>>> bin(~a)
+	
+'-0b10000'
+>>> bin(-1)
+	
+'-0b1'
+>>> a=15
+	
+>>> ~a
+	
+-16
+>>> bin(-a)
+	
+'-0b1111'
+>>> a|-a
+	
+-1
+>>> a|-0b1111
+	
+-1
+>>> bin(a&0b1011)
+	
+'0b1011'
+>>> a&0b1011
+	
+11
+>>> bin(a|~0b1111)
+	
+'-0b1'
+>>> bin(a&-0b10100)
+	
+'0b1100'
+>>> a=-16
+	
+>>> bin(a&0b-10100)
+	
+SyntaxError: invalid token
+>>> bin(a&-0b10100)
+	
+'-0b100000'
+>>> a&-0b10100
+	
+-32
+>>> bin(a)
+	
+'-0b10000'
+>>> bin(-1)
+	
+'-0b1'
+>>> bin(a^-1)
+	
+'0b1111'
+>>> bin(a&-1)
+	
+'-0b10000'
+>>> (a^-1)==(a*-1+-1)
+	
+True
+>>> 5*-1+-1
+	
+-6
+>>> (5*-1+-1)
+	
+-6
+>>> a=-5
+	
+>>> (a*-1+-1)
+	
+4
+>>> a=-16
+	
+>>> a^-1
+	
+15
+>>> a*-1+-1
+	
+15
+>>> a<<2
+	
+-64
+>>> bin(a)
+	
+'-0b10000'
+>>> a
+	
+-16
+>>> a/4
+	
+-4.0
+>>> a>>2
+	
+-4
+>>> a>>2==a//4
+	
+True
+>>> a<<2
+	
+-64
+>>> a>>2
+	
+-4
+>>> a/4
+	
+-4.0
+>>>