save project

l.py

+list1=[1,2,3]
+list2=[4,5,6]
+#print(list1+list2)
+# list.append()#追加到末尾
+# list.insert()#根据索引插入值
+# list.pop()#根据索引删除值
+# len(list)#列表长度
+# min(list)#列表最小值
+# max(list)#列表最大值
+# tup#元组
+# set#集合
+# print("{1},{0},".format("hello","word"))
+# list1=["hello","word"]
+# print("{0[0]},{0[1]}".format(list1))
+c=2*3.14*20
+print("圆的周长：{:.2f}".format(c))
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