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창의소프트웨어입문 11/16

+
+ 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.
+>>> a = ["aaa", "bbb", "ccc"]
+>>> a
+['aaa', 'bbb', 'ccc']
+>>> a[1]
+'bbb'
+>>> b = [123,456,"789"]
+>>> type b[1]
+SyntaxError: invalid syntax
+>>> type b
+SyntaxError: invalid syntax
+>>> type(b[1])
+<class 'int'>
+>>> type(b[2])
+<class 'str'>
+>>> b[0:1]
+[123]
+>>> b[0:2]
+[123, 456]
+>>> b[0:3]
+[123, 456, '789']
+>>> b[1:2]
+[456]
+>>> len(a)
+3
+>>> len(b)
+3
+>>> s="Dohun Na"
+>>> s[2] = D
+Traceback (most recent call last):
+  File "<pyshell#15>", line 1, in <module>
+    s[2] = D
+NameError: name 'D' is not defined
+>>> s[2] = "D"
+Traceback (most recent call last):
+  File "<pyshell#16>", line 1, in <module>
+    s[2] = "D"
+TypeError: 'str' object does not support item assignment
+>>> s = "Kim"
+>>> t = (1,2,3)
+>>> t = (3,4,5)
+>>> t
+(3, 4, 5)
+>>> c = (1,)
+>>> type(c)
+<class 'tuple'>
+>>> c = 1,
+>>> type(c)
+<class 'tuple'>
+>>> c
+(1,)
+>>> d = (1)
+>>> type(d)
+<class 'int'>
+>>> d = 1 + 3 & 0x01
+>>> type(d)
+<class 'int'>
+>>> d
+0
+>>> a = -1
+>>> bin(a)
+'-0b1'
+>>> a = -4
+>>> bin(a)
+'-0b100'
+>>> b = 0b00110011
+>>> a & b
+48
+>>> bin(a & b)
+'0b110000'
+>>> b
+51
+>>> (a * -1) = (a + 1)
+SyntaxError: can't assign to operator
+>>> (a * -1) = (a + -1)
+SyntaxError: can't assign to operator
+>>> a = 1,2,3
+>>> a
+(1, 2, 3)
+>>> one, two, three = a
+>>> one
+1
+>>> tow
+Traceback (most recent call last):
+  File "<pyshell#45>", line 1, in <module>
+    tow
+NameError: name 'tow' is not defined
+>>> two
+2
+>>> three
+3
+>>> a
+(1, 2, 3)
+>>> 1
+1
+>>> a="1234"
+>>> len(a)
+4
+>>> a
+'1234'
+>>> len = "1234"
+>>> len(len)
+Traceback (most recent call last):
+  File "<pyshell#54>", line 1, in <module>
+    len(len)
+TypeError: 'str' object is not callable
+>>> 
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