python3基础2

# 列表（list、数组）、元组、字典

list_ = ["a",c]

print(list_)

 list_.append("c") # 末尾追加
# list_[2] = "cc" # 替换/修改 list_.insert(1,"b") # 插入
list_.remove(")  删除

print(===============================元组===")

tuple_ = (b)

print(tuple_[0:-2])  取范围

 del tuple_ # 删除整个元组

(tuple_[0])


===============================字典===)

dict_ = {key":valuenametomage": 29}

for k,v in dict_.items():
(k)
(v)

print(dict_.keys())  取到所有的key
print(dict_.values())  取到所有的value

 dict_["hello"] = "world" # 添加 dict_["key"] = "vvvv" # 替换/修改

del dict_[(dict_)

ll = [
[],[1,2,3print(ll[1][2])

ld = [
{": (jack),{},]

dl = {":[blue": [22,27,31]}

print(ld[1][])
print(dl["][1])