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python.py 6.58 KiB
Python 3.7.0 (v3.7.0:1bf9cc5093, Jun 27 2018, 04:59:51) [MSC v.1914 64 bit (AMD64)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> a=['aaa','bbb','ccc']
>>> a
['aaa', 'bbb', 'ccc']
>>> a[0]
'aaa'
>>> a[0:2]
['aaa', 'bbb']
>>> a[0:3]
['aaa', 'bbb', 'ccc']
>>> a[2:]
['ccc']
>>> a[1:]
['bbb', 'ccc']
>>> a[:2]
['aaa', 'bbb']
>>> a[:3]
['aaa', 'bbb', 'ccc']
>>> a.append(dddd)
Traceback (most recent call last):
File "<pyshell#9>", line 1, in <module>
a.append(dddd)
NameError: name 'dddd' is not defined
>>> a.append('ddd')
>>> a
['aaa', 'bbb', 'ccc', 'ddd']
>>> a.extend('[eee','fff','ggg'])
SyntaxError: invalid syntax
>>> a.extend(['eee','fff','ggg'])
>>> a
['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff', 'ggg']
>>> a.insert(1,'www')
>>> a
['aaa', 'www', 'bbb', 'ccc', 'ddd', 'eee', 'fff', 'ggg']
>>> a.remove('www')
>>> a
['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff', 'ggg']
>>> a.pop()
'ggg'
>>> a
['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff']
>>> a.pop(2)
'ccc'
>>> a
['aaa', 'bbb', 'ddd', 'eee', 'fff']
>>> a.insert(2,'ccc')
>>> a
['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff']
>>> count(a)
Traceback (most recent call last):
File "<pyshell#25>", line 1, in <module>
count(a)
NameError: name 'count' is not defined
>>> count('a')
Traceback (most recent call last):
File "<pyshell#26>", line 1, in <module>
count('a')
NameError: name 'count' is not defined
>>> a,conut('a')
Traceback (most recent call last):
File "<pyshell#27>", line 1, in <module>
a,conut('a')
NameError: name 'conut' is not defined
>>> a.count(a)
0
>>> a.count(aaa)
Traceback (most recent call last):
File "<pyshell#29>", line 1, in <module>
a.count(aaa)
NameError: name 'aaa' is not defined
>>> a.count('aaa')
1
>>> a
['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff']
>>> b=[5,3,2,4,1]
>>> b.sort
<built-in method sort of list object at 0x0000027B97528588>
>>> b
[5, 3, 2, 4, 1]
>>> b.sort
<built-in method sort of list object at 0x0000027B97528588>
>>> b
[5, 3, 2, 4, 1]
>>> b.sort(reverse =True)
>>> b
[5, 4, 3, 2, 1]
>>> b.sort(reverse = False)
>>> b
[1, 2, 3, 4, 5]
>>> c=[3,4,5,1,2]
>>> c.sort
<built-in method sort of list object at 0x0000027B97528748>
>>> c
[3, 4, 5, 1, 2]
>>> b.sort()
>>> b
[1, 2, 3, 4, 5]
>>> c.sort
<built-in method sort of list object at 0x0000027B97528748>
>>> c.sort()
>>> c
[1, 2, 3, 4, 5]
>>> b
[1, 2, 3, 4, 5]
>>> c.sort(reverse =True)
>>> c
[5, 4, 3, 2, 1]
>>> a.reverse()
>>> a
['fff', 'eee', 'ddd', 'ccc', 'bbb', 'aaa']
>>> a
['fff', 'eee', 'ddd', 'ccc', 'bbb', 'aaa']
>>> a.reverse(False)
Traceback (most recent call last):
File "<pyshell#55>", line 1, in <module>
a.reverse(False)
TypeError: reverse() takes no arguments (1 given)
>>> a.reverse
<built-in method reverse of list object at 0x0000027B9750CF48>
>>> a.reverse()
>>> a
['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff']
>>> a
['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff']
>>>
>>> a
['aaa', 'bbb', 'ccc', 'ddd', 'eee', 'fff']
a
>>>
>>> c
[5, 4, 3, 2, 1]
>>> b
[1, 2, 3, 4, 5]
>>> type(a)
<class 'list'>
>>> type(b)
<class 'list'>
>>> type(c)
<class 'list'>
>>> a=(1,2,3)
>>> type(a)
<class 'tuple'>
>>> a
(1, 2, 3)
>>> a=1,2,3,4
>>> a
(1, 2, 3, 4)
>>> type(a)
<class 'tuple'>
>>> a=(1,)
>>> a
(1,)
>>> b=1.
>>> b
1.0
>>> b=1,
>>> b
(1,)
>>> type(b)
<class 'tuple'>
>>> c=(d)
Traceback (most recent call last):
File "<pyshell#81>", line 1, in <module>
c=(d)
NameError: name 'd' is not defined
>>> c=(1)
>>> type(1)
<class 'int'>
>>> a=1,2,3,4,5,6
>>> a[:3]
(1, 2, 3)
>>> a[4:6]
(5, 6)
>>> a=1,2,3
>>> b=4,5,6
>>> c=a+b
>>> a
(1, 2, 3)
>>> b
(4, 5, 6)
>>> c
(1, 2, 3, 4, 5, 6)
>>> a.append(4)
Traceback (most recent call last):
File "<pyshell#93>", line 1, in <module>
a.append(4)
AttributeError: 'tuple' object has no attribute 'append'
>>> a(0)
Traceback (most recent call last):
File "<pyshell#94>", line 1, in <module>
a(0)
TypeError: 'tuple' object is not callable
>>> a
(1, 2, 3)
>>> a[0]
1
>>> a[1]
2
>>> a[3]
Traceback (most recent call last):
File "<pyshell#98>", line 1, in <module>
a[3]
IndexError: tuple index out of range
>>> a[2]
3
>>> a[0]=7
Traceback (most recent call last):
File "<pyshell#100>", line 1, in <module>
a[0]=7
TypeError: 'tuple' object does not support item assignment
>>> len(a)
3
>>> 1,2,3 =b
SyntaxError: can't assign to literal
>>> one,two,three = a
>>> a
(1, 2, 3)
>>> one
1
>>> two
2
>>> three
3
>>> 3,2,1, =a
SyntaxError: can't assign to literal
>>> a,b,c=b
>>> a,b,c=d
Traceback (most recent call last):
File "<pyshell#110>", line 1, in <module>
a,b,c=d
NameError: name 'd' is not defined
>>> b
5
>>> a
4
>>> b
5
>>> c
6
>>> a=1,2,3
>>> one,two,three =a
>>> one
1
>>> two
2
>>> three
3
>>> city,latitude,longitude = a
>>> a="seoul",37.541, 126.986
>>> a
('seoul', 37.541, 126.986)
>>> seoul
Traceback (most recent call last):
File "<pyshell#123>", line 1, in <module>
seoul
NameError: name 'seoul' is not defined
>>> city
1
>>> city,latitude,longitude =a
>>> city
'seoul'
>>> latitude
37.541
>>> longitude
126.986
>>> a.count(s)
Traceback (most recent call last):
File "<pyshell#129>", line 1, in <module>
a.count(s)
NameError: name 's' is not defined
>>> a.count('s')
0
>>> a.count(1)
0
>>> a
('seoul', 37.541, 126.986)
>>> a.count(37.541)
1
>>> a.count(37.54)
0
>>> b13
Traceback (most recent call last):
File "<pyshell#135>", line 1, in <module>
b13
NameError: name 'b13' is not defined
>>> a13
Traceback (most recent call last):
File "<pyshell#136>", line 1, in <module>
a13
NameError: name 'a13' is not defined
>>> 13a
SyntaxError: invalid syntax
>>> dic{}
SyntaxError: invalid syntax
>>> dic={}
>>> dic['파이썬']
Traceback (most recent call last):
File "<pyshell#140>", line 1, in <module>
dic['파이썬']
KeyError: '파이썬'
>>> dic['파이썬'] = 'www.python.org'
>>> dic["마이크로소프트"]= 'www.microsoft.com'
>>> dic['애플']='www.apple.com'
>>> dic['파이썬']
'www.python.org'
>>> dic['마이크로소프트']
'www.microsoft.com'
>>> dic['애플']
'www.apple.com'
>>> type(dic)
<class 'dict'>
>>> dic
{'파이썬': 'www.python.org', '마이크로소프트': 'www.microsoft.com', '애플': 'www.apple.com'}
>>> dic.keys[]
SyntaxError: invalid syntax
>>> dic.keys()
dict_keys(['파이썬', '마이크로소프트', '애플'])
>>> dic.values()
dict_values(['www.python.org', 'www.microsoft.com', 'www.apple.com'])
>>> dic.items()
dict_items([('파이썬', 'www.python.org'), ('마이크로소프트', 'www.microsoft.com'), ('애플', 'www.apple.com')])
>>> '애플'in dic.keys()
True
>>> '사과'in dic.keys()
False
>>> '애플'in dic.items()
False
>>> dic.pop('애플')
'www.apple.com'
>>> dic
{'파이썬': 'www.python.org', '마이크로소프트': 'www.microsoft.com'}
>>> dic.clear()
>>> dic
{}
>>>