Python快速编程入门答案(python快速编程入门编程题答案)
《python从入门到实践》练习题有答案吗
找不到，只找到找到几道题目的答案
8-9 ?魔术师：创建一个包含魔术师名字的列表，并将其传递给一个名为show_magicians() 的函数，这个函数打印列表中每个魔术师的名字。8-10 ?了不起的魔术师：在你为完成练习 8-9 而编写的程序中，编写一个名为make_great() 的函数，对魔术师列表进行修改，在每个魔术师的名字中都加入字样“theGreat”。调用函数 show_magicians() ，确认魔术师列表确实变了。想问下大神怎么对魔术师列表进行修改同时又不使用新的列表，我修改了一次但是用了一个新列表的方法和原习题不符。
初学者学Python编程如何快速入门?
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python 编程 求答案！2、3两题
#!/usr/bin/env?python
#coding=utf-8
import?re
from?datetime?import?datetime?as?dt,?timedelta
import?platform
if?platform.python_version()[:1]?==?'2':?#判断python版本是2还是3
????import?sys
????reload(sys)
????sys.setdefaultencoding('utf8')
class?Idcard(object):
????'''?
?????m?=?Idcard('225122198611134730')
?????print(m.sex)
????男
?????m.birth
????'1986-11-13'
?????m.age
????30
????'''
????def?__init__(self,idcard):
????????self.idcard?=?idcard????????
????????if?len(idcard)?==?15:
????????????sex,?birth?=?idcard[-1:],?'19'?+?idcard[6:12]
????????elif?len(idcard)?==?18:
????????????sex,?birth?=?idcard[-2:-1],?idcard[6:14]???
????????else:
????????????raise?Exception('len(idcard)?is?{}?(15/18)'.format(len(idcard)))
????????self._sex?=?int(sex)?%?2
????????self._birth?=?birth
????
????@property
????def?sex(self):
????????return?u'男'?if?self._sex?%?2?else?u'女'
????@property
????def?age(self):??
????????now,?bir?=?dt.now(),?dt.strptime(self._birth,?'%Y%m%d')
????????beforebirth?=?(now?-?dt(now.year,?bir.month,?bir.day)).days??0
????????return?dt.now().year?-?int(self._birth[:4])?-?beforebirth
????@property
????def?birth(self):
????????return?dt.strptime(self._birth,?'%Y%m%d').strftime('%Y-%m-%d')
def?alignment(str1,?space,?align?=?'left'):
????length?=?len(str1.encode('gb2312'))
????space?=?space?-?length?if?space?=length?else?0
????if?align?==?'left':
????????str1?=?str1?+?'?'?*?space
????elif?align?==?'right':
????????str1?=?'?'*?space?+str1
????elif?align?==?'center':
????????str1?=?'?'?*?(space?//2)?+str1?+?'?'*?(space?-?space?//?2)
????return?str1
????
def?main():
????fname?=?'customer.txt'
????'''
????with?open(fname,?'w')?as?f:
????????f.write("""
????????郑文杰?225122198611134730
????????文萍?225122198912094740
????????郑妈妈??225122590303476
????????郑爸爸?225122560506471
????????""")
????'''????
????newf?=?'ourcustomers.txt'
????with?open(fname)?as?f:
????????s?=?f.readlines()
????L,?newL?=?[re.split(r'\s+',?i.strip())?for?i?in?s],?[]
????for?i?in?L:
????????if?len(i)?==?2:
????????????g?=?Idcard(i[1])
????????????newL.append('{}{}{}'.format(
????????????????alignment(i[0],?10),?alignment(g.sex,?8),?g.age))
????with?open(newf,?'w')?as?f:
????????f.write('\n'.join(newL))
????print('\n'.join(newL[:100]))
????print('Customer?data?has?been?write?into?{}'.format(newf))
if?__name__?==?'__main__':
????import?doctest
????doctest.testmod()
????main()