4. 기 ¶
- dir() : 객 객 .
- help() : .
~cpp
>>> l = []
>>> dir(l)
>>> help(l.append)
Help on built-in function append:
append(...)
L.append(object) -- append object to end
5. ¶
raw_input
input
input
~cpp
>>> raw_input('your name? ')
your name? zp
'zp'
>>> n = input(' . ')
. 5
>>>
>>> n
5
6.1. ¶
~cpp a = 10 int(32bit) b = 2.5 float(64bit) c = 999999999999999999L long() d = 4 + 5j complex(각 64bit)
~cpp x ** y power. x y곱 divmod(x, y) returns (int(x/y), x % y) >>> divmod(5,3) (1, 2) round(x) abs(-3) 3 int(3.15) 3 float(5) 5.0 complex(2, 5) 2 + 5j
6.3. ¶
객 . 고 근 . 객 경 .
~cpp
>>> t = (1,2,3)
>>> t * 2
(1, 2, 3, 1, 2, 3)
>>> t + ('tuple',) 결
(1, 2, 3, 'tuple')
>>> t[1:3]
(2, 3)
>>> len(t) 길
3
>>> 1 in t
True
>>> l = list(t)
>>> l
[1, 2, 3]
>>> t = tuple(l)
>>> t
(1, 2, 3)
6.4. ¶
객 . 고 (index) 근 . 객 경 .
~cpp >>> L = [] >>> L = [1,2,3] >>> len(L) 길 3 >>> L[1] 2 >>> L[1:3] [2, 3] >>> L[-1] 3 >>> L + L 결 [1, 2, 3, 1, 2, 3] >>> L * 3 [1, 2, 3, 1, 2, 3, 1, 2, 3] >>> L = range(10) >>> L [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] >>> L[::2] [0, 2, 4, 6, 8] >>> L[::-1] [9, 8, 7, 6, 5, 4, 3, 2, 1, 0] >>> L.append(100) >>> L [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 100] >>> L.insert(1, 50) >>> L [0, 50, 1, 2, 3, 4, 5, 6, 7, 8, 9, 100] >>> del L[2] >>> L [0, 50, 2, 3, 4, 5, 6, 7, 8, 9, 100] >>> L.reverse() 꾼 >>> L [100, 9, 8, 7, 6, 5, 4, 3, 2, 50, 0] >>> L.sort() >>> L [0, 2, 3, 4, 5, 6, 7, 8, 9, 50, 100]
6.5. ¶
객 . 갖 . (key) 값(value) 근.
(hash) . .
(hash) . .
~cpp
>>> dic = {'baseball':5, 'soccer':10, 'basketball':15}
>>> dic['baseball']
5
>>> dic['baseball'] = 20
>>> dic
{'basketball': 15, 'soccer': 10, 'baseball': 20}
~cpp
>>> dic.keys()
['basketball', 'soccer', 'baseball']
>>> dic.values() 값
[15, 10, 20]
>>> dic.items() (key, value)
[('basketball', 15), ('soccer', 10), ('baseball', 20)]
>>> if 'soccer' in dic: key 고 . True
print dic['soccer']
10
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