Python-替换字符串的部分
我必须创建猜测行,用户在其中猜测较大单词的子单词,格式如下:Python-替换字符串的部分,python,string,replace,Python,String,Replace,我必须创建猜测行,用户在其中猜测较大单词的子单词,格式如下: >>> create_guess_line(2, 8) ’Guess 2 | - | * | * | * | - | - | - | - |’ 其中,需要猜测的子猜测由星号表示,并由给定元组定义: GUESS_INDEX_TUPLE = ( ((0,1),(2,4),(2,4),(3,5),(2,5),(0,5)), # word length 6 ((0,1),
>>> create_guess_line(2, 8)
’Guess 2 | - | * | * | * | - | - | - | - |’
其中,需要猜测的子猜测由星号表示,并由给定元组定义:
GUESS_INDEX_TUPLE = (
((0,1),(2,4),(2,4),(3,5),(2,5),(0,5)), # word length 6
((0,1),(1,2),(4,6),(2,5),(3,6),(2,6),(0,6)), # word length 7
((0,1),(1,3),(4,7),(3,5),(3,6),(5,7),(2,7),(0,7)), # word length 8
((0,1),(1,3),(4,7),(3,5),(3,6),(5,7),(3,7),(2,8),(0,8)) # word length 9
)
如何将星号放在正确的位置?以下是我迄今为止的尝试:
def create_guess_line(guess_no, word_length):
WALL_VERTICAL = ' | '
WALL_HORIZONTAL = ' - '
blanks = (WALL_VERTICAL + WALL_HORIZONTAL) * word_length + WALL_VERTICAL
subguess = blanks.replace(WALL_HORIZONTAL, ' * ')
index1 = GUESS_INDEX_TUPLE[word_length - 6][guess_no -1][0]
index2 = GUESS_INDEX_TUPLE[word_length - 6][guess_no -1][1]
blanks = blanks[0:index1] + subguess + blanks[index2+1:word_length]
print ('Guess ' + str(guess_no) + blanks)
我得到了星号,但太多了。我假设这是由于空格乘以单词长度造成的混乱,但我不确定如何以不同的方式合并单词长度。您遇到的问题是,这一行创建的字符串太长:
blanks = (WALL_VERTICAL + WALL_HORIZONTAL) * word_length + WALL_VERTICAL
这里的word\u length
是8,但您只需要3个星号
一种更简洁的方法是创建一个-
或*
字符数组,然后将它们连接起来。这将允许您执行切片分配,如:
blanks[index1: index2] = ['*'] * (index2 - index1)
如果你总是要用元组中的第二个数进行切片,你可以考虑在数据本身中加上一个(我已经在代码中做了)。在这个例子中,我用dict替换了元组列表,只是为了让这个例子更容易理解
GUESS_INDEX_TUPLE = {
6: ((0,1),(2,4),(2,4),(3,5),(2,5),(0,5)), # word length 6
7: ((0,1),(1,2),(4,6),(2,5),(3,6),(2,6),(0,6)), # word length 7
8: ((0,1),(1,3),(4,7),(3,5),(3,6),(5,7),(2,7),(0,7)), # word length 8
9: ((0,1),(1,3),(4,7),(3,5),(3,6),(5,7),(3,7),(2,8),(0,8)) # word length 9
}
def create_guess_line(guess_no, word_length):
WALL_VERTICAL = ' | '
WALL_HORIZONTAL = ' - '
blanks = [WALL_HORIZONTAL] * word_length
index1, index2 = GUESS_INDEX_TUPLE[word_length][guess_no - 1]
index2 += 1
blanks[index1: index2] = ['*'] * (index2 - index1)
print (f'Guess {guess_no}'
f'{WALL_VERTICAL}'
f'{WALL_VERTICAL.join(blanks)}'
f'{WALL_VERTICAL}'
)
create_guess_line(2, 8)
# Guess 2 | - | * | * | * | - | - | - | - |
您能发布所需结果吗?@AnnZen所需结果在代码create_guess_行(guess_no,word_length)的第一位显示,其中猜测数为2,单词长度为8。星号的位置与创建“猜测”元组[2][1]有关。