diff --git "a/\354\260\275\354\235\230\354\206\214\355\224\204\355\212\270\354\233\250\354\226\264\354\236\205\353\254\270 11/python11_20#2.py" "b/\354\260\275\354\235\230\354\206\214\355\224\204\355\212\270\354\233\250\354\226\264\354\236\205\353\254\270 11/python11_20#2.py"
new file mode 100644
index 0000000000000000000000000000000000000000..ad1ae24d3e624c14c51479368960232eedf96e01
--- /dev/null
+++ "b/\354\260\275\354\235\230\354\206\214\355\224\204\355\212\270\354\233\250\354\226\264\354\236\205\353\254\270 11/python11_20#2.py"	
@@ -0,0 +1,134 @@
+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 = ([1,2,4],[5,6,7])
+>>> a
+([1, 2, 4], [5, 6, 7])
+>>> type(a)
+<class 'tuple'>
+>>> a[0]
+[1, 2, 4]
+>>> a[0][0] = 4
+>>> a
+([4, 2, 4], [5, 6, 7])
+>>> a[0] = 1,2,4
+Traceback (most recent call last):
+  File "<pyshell#6>", line 1, in <module>
+    a[0] = 1,2,4
+TypeError: 'tuple' object does not support item assignment
+>>> dic = {}
+>>> dic['파이썬'] = 'www.python.org'
+>>> 얓
+Traceback (most recent call last):
+  File "<pyshell#9>", line 1, in <module>
+    얓
+NameError: name '얓' is not defined
+>>> dic
+{'파이썬': 'www.python.org'}
+>>> type(dic)
+<class 'dict'>
+>>> dic.keys()
+dict_keys(['파이썬'])
+>>> dic.values()
+dict_values(['www.python.org'])
+>>> dic.items()
+dict_items([('파이썬', 'www.python.org')])
+>>> '파이썬' in dic.keys()
+True
+>>> dic.pop('파이썬')
+'www.python.org'
+>>> 얓
+Traceback (most recent call last):
+  File "<pyshell#17>", line 1, in <module>
+    얓
+NameError: name '얓' is not defined
+>>> dic
+{}
+>>> b = [(2,3,4),(5,6,7)]
+>>> b
+[(2, 3, 4), (5, 6, 7)]
+>>> b[0][0] = 3
+Traceback (most recent call last):
+  File "<pyshell#21>", line 1, in <module>
+    b[0][0] = 3
+TypeError: 'tuple' object does not support item assignment
+>>> b[0] = 4
+>>> b
+[4, (5, 6, 7)]
+>>> b[0] = (2,3,4)
+>>> b
+[(2, 3, 4), (5, 6, 7)]
+>>> a = 123456
+>>> a & 1
+0
+>>> a & 2
+0
+>>> a & 3
+0
+>>> a & 0b11
+0
+>>> a & 0b11111111
+64
+>>> a & 255
+64
+>>> a // 255
+484
+>>> a % 255
+36
+>>> 
+============= RESTART: C:/Users/AJOU/Downloads/python11_20#1.py =============
+14
+>>> 
+============= RESTART: C:/Users/AJOU/Downloads/python11_20#1.py =============
+23232323 0b1011000100111111101000011 14
+>>> 
+============= RESTART: C:/Users/AJOU/Downloads/python11_20#1.py =============
+23232323 0b1011000100111111101000011 18
+>>> a = "0"
+>>> not a
+False
+>>> a = 0
+>>> not a
+True
+>>> a = ""
+>>> not a
+True
+>>> 
+============= RESTART: C:\Users\AJOU\Downloads\python11_20#1.py =============
+23232323 0b1011000100111111101000011 14
+수를 입력하세요 : 
+1
+3 / 1 = 3.0
+>>> 
+============= RESTART: C:\Users\AJOU\Downloads\python11_20#1.py =============
+23232323 0b1011000100111111101000011 14
+수를 입력하세요 : 
+NDH
+Traceback (most recent call last):
+  File "C:\Users\AJOU\Downloads\python11_20#1.py", line 10, in <module>
+    a = int(input())
+ValueError: invalid literal for int() with base 10: 'NDH'
+>>> 
+============= RESTART: C:\Users\AJOU\Downloads\python11_20#1.py =============
+23232323 0b1011000100111111101000011 14
+수를 입력하세요 : 
+100
+Traceback (most recent call last):
+  File "C:\Users\AJOU\Downloads\python11_20#1.py", line 11, in <module>
+    if (a.isnumeric()):
+AttributeError: 'int' object has no attribute 'isnumeric'
+>>> 
+============= RESTART: C:\Users\AJOU\Downloads\python11_20#1.py =============
+23232323 0b1011000100111111101000011 14
+수를 입력하세요 : 
+100
+Traceback (most recent call last):
+  File "C:\Users\AJOU\Downloads\python11_20#1.py", line 11, in <module>
+    if( a.isnumeric()):
+AttributeError: 'int' object has no attribute 'isnumeric'
+>>> 
+============= RESTART: C:\Users\AJOU\Downloads\python11_20#1.py =============
+23232323 0b1011000100111111101000011 14
+수를 입력하세요 : 
+NDH
+숫자를 입력하세요
+>>>