#字典练习
def print_dict():
contect_file = 'contect_list.txt'
f = file(contect_file) #读取
contect_dic = {}
for line in f.readlines():
name = line.split()[1]
contect_dic[name] = line #是修改也是添加
#print contect_dic #调试输出
'''
for n,v in contect_dic.items():
print "%s \t%s" % (n,v), #调试输出看
'''
while True:
inputvales = raw_input("Please input the staff name:").strip()
if len(inputvales) == 0:
continue
if contect_dic.has_key(inputvales):
print "%s \t"% contect_dic[inputvales]
else:
print 'Sorry ,no staff name find!'
#print_dict()
#列表练习
def print_show():
f = file('shop.txt')
products = []
prices = [0]
shops_list = [0]
for line in f.readlines():
new_line = line.split()
print new_line[0]
products.append(new_line[0])
prices.append(int(new_line[1])) #如果不改变类型,这样加进入是str类型
#print products
#print prices
salary = int(raw_input("please input your salary:"))
while True:
print "welcome ,things you can buy as below:"
for p in products:
p_index = products.index(p)
p_price = prices[p_index] #通过索引查找对应值
print p,p_index,p_price #验证结果
choice = raw_input('Please input what your want to buy:')
f_choice = choice.strip()
if f_choice in products:
print 'Yes ,it is in list!'
f_index = products.index(f_choice)
f_price = prices[f_index]
# print f_price ,type(f_price) #调试
if salary >= f_price:
print "Congrautations,added %s to shop list "% f_choice
shops_list.append(f_choice)
salary = salary - f_price
print "Now you have %d left !keep buying!" % salary,
else:
if salary < min(prices):
print "Soory ,your can not buy anththing !bye!\n"
print "you have bought :",shops_list
sys.exit()
else:
print "Sorry ,money is not enough to buy %s ,please tyr another one!"% f_choice
else:
print 'Sorry ,%s not in the list ,pleass try another one :'% f_choice
#文件操作
def open_file():
#f = open('contanct_list.txt','r+')
with open('data.txt','r+') as f:
old = f.read()
f.seek(36) #单行修改
f.write("liwen is back is good")
#open_file()
def open_file_01():
for line in fileinput.input("data.txt",backup="bak",inplace=1): #back 备份
line = line.replace('meingli','liwen is good') #只有meingli 就 替换
print line
#open_file_01()
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