<p>我不确定您到底想做什么,但我认为嵌套dict方法并不像使用平面dict那样干净,在平面dict中,您可以通过组合字符串(即<code>d['ab']</code>而不是<code>d['a']['b']</code>)进行键控。我还输入了代码来检查二元/三元结构是由元音/辅音组成还是由一个混合词组成。你知道吗</p>
<p>代码:</p>
<pre><code>from collections import defaultdict
def all_ngrams(text,n):
ngrams = [text[ind:ind+n] for ind in range(len(text)-(n-1))]
ngrams = [ngram for ngram in ngrams if ' ' not in ngram]
return ngrams
counts = defaultdict(int)
text = 'hi hello hi this is hii hello'
vowels = 'aeiouyAEIOUY'
consonants = 'bcdfghjklmnpqrstvwxzBCDFGHJKLMNPQRSTVWXZ'
for n in [2,3]:
for ngram in all_ngrams(text,n):
if all([let in vowels for let in ngram]):
print(ngram+' is all vowels')
elif all([let in consonants for let in ngram]):
print(ngram+' is all consonants')
else:
print(ngram+' is a mixture of vowels/consonants')
counts[ngram] += 1
print(counts)
</code></pre>
<p>输出:</p>
<pre><code>hi is a mixture of vowels/consonants
he is a mixture of vowels/consonants
el is a mixture of vowels/consonants
ll is all consonants
lo is a mixture of vowels/consonants
hi is a mixture of vowels/consonants
th is all consonants
hi is a mixture of vowels/consonants
is is a mixture of vowels/consonants
is is a mixture of vowels/consonants
hi is a mixture of vowels/consonants
ii is all vowels
he is a mixture of vowels/consonants
el is a mixture of vowels/consonants
ll is all consonants
lo is a mixture of vowels/consonants
hel is a mixture of vowels/consonants
ell is a mixture of vowels/consonants
llo is a mixture of vowels/consonants
thi is a mixture of vowels/consonants
his is a mixture of vowels/consonants
hii is a mixture of vowels/consonants
hel is a mixture of vowels/consonants
ell is a mixture of vowels/consonants
llo is a mixture of vowels/consonants
defaultdict(<type 'int'>, {'el': 2, 'his': 1, 'thi': 1, 'ell': 2, 'lo': 2, 'll': 2, 'ii': 1, 'hi': 4, 'llo': 2, 'th': 1, 'hel': 2, 'hii': 1, 'is': 2, 'he': 2})
</code></pre>