save project

2.py

+dict={'888点券':90,'ipad':2000000000,'苹果':40,'银行':9000000000,'可口可乐':45,'乐事':9,'农失山泉':2,'大白免':1,'粤利粤':6,'雷碧':3,'喜之娘':15,'啊萨姆':4}
+k=input('What would you buy?')
+if k in dict:
+    print('Good~your'+k+'must cost'+str(dict[k])+'yuan~')
+else:
+    print('Sorry,it is not in.Please waite some times~')
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3.py

+cost={'apple':3.14,'pear':6.28,'peach':9.42,'coke':12.56,'fish':15.7,'candy':18.84}
+k=input('Please print fruit name:')
+v=input('Please print fruit')
+if k in cost:
+    if float(v)<cost[k]:
+        cost[k]=float(v)
+        print(k+'jjl,xj'+v+'y')
+    else:
+        print(k+'zzl,usnobuy')
+else:
+    cost[k]=float(v)
+    print(k+'djq'+v+'yysc')
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diy1.py

+dict_wc={'a':9,'b':25,'c':15,'d':45,'e':12}
+print(dict_wc)
+print(dict_wc['d'])
+dict_wc['a']=250
+print(dict_wc)
+dict_wc['s']=518
+print(dict_wc)
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quiz.py

+# 直接运行以下代码，说说你的发现：
+list_hero=['赵一',30,'丁二',37,'孙五',52,'王猛',89,'周亮',98]
+dict_hero = {'赵一':30,'丁二':37,'孙五':52,'王猛':89,'周亮':98}
+print(len(list_hero))
+print(len(dict_hero))
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