林苡嫻 集合{},清單[],元組(),字典{key:value}
w3schools截圖
w3schools程式碼
#林苡嫻 集合{},清單[],元組(),字典{key:value} s = {"台積電", "鴻海", "聯發科", "中華電", "台塑化"} t = ("台積電", "鴻海", "聯發科", "中華電", "台塑化") list = ["台積電", "鴻海", "聯發科"] d = {2330:"台積電", 2317:"鴻海", 2454:"聯發科"} print("s型態" + str(type(s))) print("t型態" + str(type(t))) print("d型態" + str(type(d))) print("t型態" + str(type(list))) #字串與字串+ i = 0 for a in t: i = i + 1 print("台灣市場價格第" + str(i) + "大公司是") print(" " + a) print("聯發科的位置" + str(t.index("聯發科"))) '''python大區塊的註解,前後用三個引號 str 轉成字串 int 轉成數字 '''
w3schools元組tuples的方法
Python has two built-in methods that you can use on tuples.
Method | Description |
---|---|
count() | Returns the number of times a specified value occurs in a tuple |
index() | Searches the tuple for a specified value and returns the position of where it was found |
w3schools清單或串接lists的方法
Python has a set of built-in methods that you can use on lists.Method | Description |
---|---|
append() | Adds an element at the end of the list |
clear() | Removes all the elements from the list |
copy() | Returns a copy of the list |
count() | Returns the number of elements with the specified value |
extend() | Add the elements of a list (or any iterable), to the end of the current list |
index() | Returns the index of the first element with the specified value |
insert() | Adds an element at the specified position |
pop() | Removes the element at the specified position |
remove() | Removes the item with the specified value |
reverse() | Reverses the order of the list |
sort() | Sorts the list |
w3schools集合sets的方法
Python has a set of built-in methods that you can use on sets.Method | Description |
---|---|
add() | Adds an element to the set |
clear() | Removes all the elements from the set |
copy() | Returns a copy of the set |
difference() | Returns a set containing the difference between two or more sets |
difference_update() | Removes the items in this set that are also included in another, specified set |
discard() | Remove the specified item |
intersection() | Returns a set, that is the intersection of two other sets |
intersection_update() | Removes the items in this set that are not present in other, specified set(s) |
isdisjoint() | Returns whether two sets have a intersection or not |
issubset() | Returns whether another set contains this set or not |
issuperset() | Returns whether this set contains another set or not |
pop() | Removes an element from the set |
remove() | Removes the specified element |
symmetric_difference() | Returns a set with the symmetric differences of two sets |
symmetric_difference_update() | inserts the symmetric differences from this set and another |
union() | Return a set containing the union of sets |
update() | Update the set with the union of this set and others |
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