python 学习手册 第二部分重读!

In [29]: 'hello {0} {name},today is {date:%Y-%m-%d %H:%M:%S}'.format(1,name='lsl',date=n)
Out[29]: 'hello 1 lsl,today is 2016-02-22 21:17:08'

In [30]: '\x23'
Out[30]: '#'

In [31]: '\x94'
Out[31]: '\x94'

In [32]: '\x12'
Out[32]: '\x12'

In [33]: '\x24'
Out[33]: '$'

In [34]: bool('23')
Out[34]: True

In [35]: bool('')
Out[35]: False

In [36]: bool([])
Out[36]: False

In [37]: bool({})
Out[37]: False

if a == b and c == d and \
   d == e and f == g:
   print('old')

if (a == b and c == d and
   d == e and f == g):
   print('new')

x = 1 + 2 + 3 \
+4


x = 1 + 2 + 3
+4

S = """
aaaa
bbbb
cccc
"""

S = (
'aaaa'
'bbbb'
'cccc'
)