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PythonÈëÃŵÄ36¸öÀý×Ó Ö® 35

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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 Ö® 30

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# 034
class Person:
def __init__(self, name):
self.name = name # ÕâÒ»¾äÖеÚÒ»¸önameÊÇÀàÖаüº¬µÄÓò£¬µÚ¶þ¸önameÊÇ´«½øÀ´µÄ²ÎÊý
# end of def
def sayHello(self):
print 'Hello!'
# end of def
# end of class
p = Person('Ning')
print p.nam ......

PythonÈëÃŵÄ36¸öÀý×Ó Ö® 34

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# 038
def getAge():
age = input('Input your age:')
if (age < 0 or age > 160):
raise 'BadAgeError', 'It is impossible!!!!!'
# end of if
return age
# ......
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