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diy.py

-# 和你的小伙伴用列表讲讲桃园结义的故事，并说说这其中运用了哪些列表知识：
-# 来，我给你起个头~
-# 从前啊，有三个bro，分别是：刘备、关羽、张飞...
-bro1="关羽"
-bro2="刘备"
-bro3="张飞"
-bros=["刘备","关羽","张飞"]
-bro1=["关羽",160,8.5]
-bro2=["刘备",161,9.1]
-bro3=["张飞",166,8.3]
-bros[0]="关羽"
-bros[1]="刘备"
-print(bros)
+# a={
+#     '张三':{'科学':100,'英语':90,'数学':98},
+#     '李四':{'科学':10,'英语':290,'数学':198},
+#     '王五':{'科学':20,'英语':190,'数学':398}
+# }
+# for i in a.items():
+#     print(i)
+# #剥洋葱 一层一层往里递进
+# # print(a['张三'])
+# # print(a['张三']['科学'])
+# for i in a:
+#     for j in a[i]:
+#         print(a[i][j])
\ No newline at end of file
+# print(a['王五']['数学'])
+# a=[
+#     ['姓名','科学','数学','英语','计算机'],
+#     ['1',2,3,4,1],
+#     ['张2三',100,90,80,178],
+#     ['2',100,90,80,278],
+#     ['3',100,90,80,378],
+#     ['4',100,90,80,278],
+#     ['5',100,90,80,178]
+# ]
+# a[0].append('总分')
+# a[0].append('平均分')
+# for i in a[1:]:
+#     s=0
+#     for j in i[1:]:
+#         s+=j
+#     ave=s/4
+#     i.append(s)
+#     i.append(ave)
+# print(a)
+
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