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[英]python: how to create list of/iterate through multiple instances of a variable
[英]How to iterate through a list using a stepper variable in Python?
我正在嘗試編寫一個函數,該函數在輸入可猜測字符和要猜測的機密的情況下返回hangman風格的輸出。 我通過使一個新的列表啟動a
設置為-
多次秘密的長度。 然后,我遍歷此變量並測試a[stepper] == letter
,其中letter
是我們循環遍歷的walker。
目前,為了跟蹤此步進器,我正在使用此代碼
a = ["-"] * len(secret)
for curr in guessed:
letter_count = 0 # Stepper
for letter in secret:
if curr == letter:
a[letter_count] = curr
letter_count += 1
我在這里使用的letter_count
有內置功能嗎?
使用如下的enumerate()
內置函數:
a = ['-'] * len(secret)
for curr in guessed:
for i, letter in enumerate(secret):
if curr == letter:
a[i] = curr
您可以使用join
和理解力來動態創建顯示的單詞。 猜測存儲在set
,三元運算符檢查是否應顯示字母或-
>>> word = "hangman"
>>> guessed = set()
>>> ''.join(letter if letter in guessed else '-' for letter in word)
'-------'
>>> guessed.add('a')
>>> ''.join(letter if letter in guessed else '-' for letter in word)
'-a---a-'
>>> guessed.add('m')
>>> ''.join(letter if letter in guessed else '-' for letter in word)
'-a--ma-'
>>> guessed.add('e')
>>> ''.join(letter if letter in guessed else '-' for letter in word)
'-a--ma-'
>>> guessed.add('n')
>>> ''.join(letter if letter in guessed else '-' for letter in word)
'-an-man'
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