檢查一個列表中的一個元素是否等於一個特定的數字？

Question

例如

hidden_list = [63,45,76,8,59,04,13] 

user_input = int(input("guess one number in the hidden list")) 

我怎麼能知道用戶是否猜中使用if語句在列表中的號碼之一？

Answer 1

if user_input in hidden_list: 
    # tell them they won 

Answer 2

使用in：

hidden_list = [63,45,76,8,59,04,13] 

user_input = int(input("guess one number in the hidden list")) 

if user_input in hidden_list: 
    print "You won!" 
else: 
    print "You lost." 

in試驗集合中的成員。換句話說，上述代碼正在測試user_input是否爲hidden_list的成員。

請參見下面的演示：

>>> hidden_list = [63,45,76,8,59,04,13] 
>>> user_input = int(input("guess one number in the hidden list ")) 
guess one number in the hidden list 63 
>>> if user_input in hidden_list: 
...  print "You won!" 
... else: 
...  print "You lost." 
... 
You won! 
>>> user_input = int(input("guess one number in the hidden list ")) 
guess one number in the hidden list 100 
>>> if user_input in hidden_list: 
...  print "You won!" 
... else: 
...  print "You lost." 
... 
You lost. 
>>>