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# 039
while True:
try:
x = int(raw_input('Input a number:'))
y = int(raw_input('Input a number:'))
z = x / y
except ValueError, ev:
print 'That is not a valid number.', ev
except ZeroDivisionError, ez:
print 'Divisor is zero:', ez
except:
print 'Unexpected error.'
raise
else:
print 'There is no error.'
break
# end of try
# end of while
print x,'/',y,'=',x/y

output£º
Input a number:w
That is not a valid number. invalid literal for int() with base 10: 'w'
Input a number:9
Input a number:0
Divisor is zero: integer division or modulo by zero
Input a number:9
Input a number:3
There is no error.
9 / 3 = 3


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PythonÈëÃŵÄ36¸öÀý×Ó——04 ÓÅÑŵÄ×Ö·û´®

# 004
# ÀûÓÃÈýÒýºÅ(''' or """)¿ÉÒÔָʾ¶àÐÐ×Ö·û´®
print '''line1
line2
line3'''
# ÁíÍ⣬Ä㻹¿ÉÒÔÔÚÈýÒýºÅÖÐÈÎÒâʹÓõ¥ÒýºÅºÍË«ÒýºÅ
print ''' "What's up? ," he replied.'''
# ·ñÔò£¬ÄãºÃʹÓÃתÒå·ûÀ´ÊµÏÖͬÑùµÄЧ¹û
# »¹ÊÇʹÓÃÈýÒýºÅºÃ£¬²»È»¾ÍÆÆ»µÁËÊÓ¾õÃÀÁË
print ' \"Wha ......

PythonÈëÃŵÄ36¸öÀý×Ó Ö® 18

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# _018
# This is a module (if write Chinese in a module, there will be a error)
def func1():
print 'This is function 1.'
def func2():
print 'This is function 2.'
def func3():
print 'This is function 3.'
# 019
# ʹÓÓimport”Óï¾äµ÷ÓÃÄ£¿é£º
import _018_Module
_ ......

PythonÈëÃŵÄ36¸öÀý×Ó Ö® 19

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# 022
listNum1 = [1, 3]
listNum2 = [2, 4]
listStr1 = ['a', 'c']
listStr2 = ['b', 'd']
# ÁбíµÄºÏ²¢
list1 = listNum1 + listStr1
for ele in list1:
print ele
print '\n'
# ÅжÏÁбíÖÐÊÇ·ñ°üº¬Ä³ÔªËØ
print 'b' in list1
print 1 in list1
# ɾ³ýij¸öÔªËØ
for ele in ......

PythonÈëÃŵÄ36¸öÀý×Ó Ö® 28

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# 032
# ÆäʵcPickleÕâ¸öÄ£¿éÆðµ½µÄ×÷ÓÿÉÒÔÓÓÍêÃÀµØÐ­µ÷ÁËÎļþÖеÄÄÚÈÝ£¨¶ÔÏ󣩺ʹúÂëÖеÄÒýÓÔÀ´ÐÎÈÝ
import cPickle as p # ÕâÌõÓï¾ä¸øcPickleÆðÁ˸öСÃûp
objectFileName = r'C:\Data.txt'
aList = [1, 2, 3]
f = file(objectFileName, 'w')
p.dump(aList, f)
f.close ......
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