Counter 计数
61.1 Counter 计数
统计可哈希元素出现次数。
词频统计
from collections import Counter words = ['apple', 'banana', 'apple', 'orange', 'banana', 'apple'] c = Counter(words) print(c) print(c.most_common(2)) # 最常见的2个
统计可哈希元素出现次数。
from collections import Counter words = ['apple', 'banana', 'apple', 'orange', 'banana', 'apple'] c = Counter(words) print(c) print(c.most_common(2)) # 最常见的2个