In [1]:

    

class Point:
    '''2차원 공간에 점을 표현한다.'''


    

In [2]:

    

Point


    

    
Out[2]:





__main__.Point

In [4]:

    

print(Point)


    

    




<class '__main__.Point'>

In [5]:

    

blank = Point()


    

In [6]:

    

print(blank)


    

    




<__main__.Point object at 0x10406add8>

In [7]:

    

class Rectangle:
    width = 100.0
    height = 200.0


    

In [8]:

    

p1 = Point()
p1.x = 3.0
p1.y = 4.0


    

In [10]:

    

print(p1.x, p1.y)


    

    




3.0 4.0

In [11]:

    

import copy


    

In [12]:

    

p2 = copy.copy(p1)


    

In [13]:

    

print(p2.x,p2.y)


    

    




3.0 4.0

In [14]:

    

p1.x = 100


    

In [15]:

    

print(p1.x, p2.x)


    

    




100 3.0

In [16]:

    

p1 == p2


    

    
Out[16]:





False

In [17]:

    

p1 is p2


    

    
Out[17]:





False

In [22]:

    

fout = open('output.txt','w')


    

In [23]:

    

line1 = 'This is book\n'
fout.write(line1)


    

    
Out[23]:





13

In [24]:

    

line2 = 'the game\n'
fout.write(line2)


    

    
Out[24]:





9

In [25]:

    

fout.close()


    

In [26]:

    

print("%f " % 5.5)


    

    




5.500000 

In [27]:

    

print("%g" % 5.5)


    

    




5.5

In [29]:

    

print("{}".format(5.5))


    

    




5.5

In [30]:

    

import os


    

In [31]:

    

cwd = os.getcwd()


    

In [32]:

    

print(cwd)


    

    




/Users/jaegyuhan/PythonEx_1/토요_파이썬

In [33]:

    

os.path.abspath('output.txt')


    

    
Out[33]:





'/Users/jaegyuhan/PythonEx_1/토요_파이썬/output.txt'

In [34]:

    

import dbm


    

In [35]:

    

db = dbm.open('captions','c')


    

In [36]:

    

db['cleese.png'] = 'Photo of John Cleese.'


    

In [37]:

    

db['cleese.png']


    

    
Out[37]:





b'Photo of John Cleese.'

In [38]:

    

db.close()


    

In [39]:

    

import pickle


    

In [40]:

    

t = [1,2,3]


    

In [41]:

    

pickle.dumps(t)


    

    
Out[41]:





b'\x80\x03]q\x00(K\x01K\x02K\x03e.'

In [42]:

    

with os.popen('ls -al') as fp:
    print(fp.read())


    

    




total 536
drwxr-xr-x   18 jaegyuhan  staff    612 12 16 00:46 .
drwxr-xr-x  423 jaegyuhan  staff  14382 12 14 18:17 ..
drwxr-xr-x   14 jaegyuhan  staff    476 12 15 10:48 .ipynb_checkpoints
-rw-r--r--    1 jaegyuhan  staff  40082 12  9 11:53 11에서 12장.ipynb
-rw-r--r--    1 jaegyuhan  staff   9047 12 16 00:46 15장.ipynb
-rw-r--r--    1 jaegyuhan  staff  53968 12  2 10:27 5장 6장.ipynb
-rw-r--r--    1 jaegyuhan  staff  13464 12  2 11:39 7에서10장.ipynb
-rw-r--r--    1 jaegyuhan  staff  16384 12 16 00:43 captions.db
-rw-r--r--    1 jaegyuhan  staff   6671 11 22 09:55 code_inter1.ipynb
-rw-r--r--    1 jaegyuhan  staff     22 12 15 15:00 output.txt
-rw-r--r--    1 jaegyuhan  staff     52 11 22 14:35 test.py
-rw-r--r--    1 jaegyuhan  staff  24016 12 13 16:18 이터 제너레이션.ipynb
-rw-r--r--    1 jaegyuhan  staff   4008 11 22 00:08 퀵소트 구현 .ipynb
-rw-r--r--    1 jaegyuhan  staff  49165 11 18 18:41 클로저 연습.ipynb
-rw-r--r--    1 jaegyuhan  staff   5980 12  2 10:20 함수형 파이썬.ipynb
-rw-r--r--    1 jaegyuhan  staff  10564 11 11 18:05 텐서플로우 기본 연습.ipynb
-rw-r--r--    1 jaegyuhan  staff   4094 11 21 13:14 삽입정렬 구현.ipynb
-rw-r--r--    1 jaegyuhan  staff   5419 11 21 15:02 선택정렬 구현.ipynb

In [43]:

    

13/2


    

    
Out[43]:





6.5

In [44]:

    

round(6.5)


    

    
Out[44]:





6

In [45]:

    

11/2


    

    
Out[45]:





5.5

In [46]:

    

round(5.5)


    

    
Out[46]:





6

In [50]:

    

os.listdir('/Users/jaegyuhan/PythonEx_1/토요_파이썬/output.txt')


    

    




---------------------------------------------------------------------------
NotADirectoryError                        Traceback (most recent call last)
<ipython-input-50-7e71ab5f31eb> in <module>()
----> 1 os.listdir('/Users/jaegyuhan/PythonEx_1/토요_파이썬/output.txt')

NotADirectoryError: [Errno 20] Not a directory: '/Users/jaegyuhan/PythonEx_1/토요_파이썬/output.txt'

In [ ]: