save project

1.1.py

+a = float(input())
+b = int(a)
+print(b)
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1.py

+city = ['纽约','华盛顿','桃源岛','洛杉矶','芝加哥','旧金山']
+r=input('你想去哪里啊？')
+if r in city:
+    print('可以乘坐飞机通往'+str(r))
+else:
+    print('没有'+str(r)+'这座城市')
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2.py

+# a={'a':1,'b':2,'c':3,'d':4} 
+# a['e']=5
+# print(a)
+# a.pop('b')
+# print(a)
+# a['d']=6
+# print(a)
+# print(a['c'])
+# for k in a.keys():
+#     print(k)
+# for k in a.values():
+#     print(k)
+# for k,y in a.items():
+#     print(k,y)
+# student={'jonh':10,'sam':11,'lily':9,'anna':10,'daming':10,'helen':12}
+# student['lily']=10
+# print(student)
+# student['小红']=11
+# print(student)
+steamer={'第一格':'猪八戒'}
+steamer['第一格']='唐三藏'
+print(steamer)
+steamer['第二格']='假行者'
+print(steamer)
+steamer['第三格']='沙和尚'
+print(steamer)
+steamer['第四格']='猪八戒'
+print(steamer)
+print(steamer)

diy2.py

+dict={"可口可乐":3,"旺仔牛奶":4,"农夫山泉":1,"辣条":3,"巴西烤肉":2,"果冻":4,"乐事":5,"奥利奥":10,"巧克力":6}
+a=input("你想买什么?")
+if a in dict:
+    print("您的"+a+"要"+str(dict[a])+"元")
+else:
+    print("您想要的"+a+"现在缺货")
+        
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diy3.py

+score={"小明":77,"小王":86,"小张":58,"小美":100}
+k=input("请输入你的姓名:")
+v=input("请输入你的最新成绩:")
+if k in score:
+    if int(v)>score[k]:
+        score[k]=int(v)
+        print(k+"同学","成绩已更新为"+v+"分!")
+    else:
+       print(k+"同学","成绩未刷新")     
+else:
+   score[k]=int(v)
+   print(k+"同学","成绩已上传")  
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