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Python索引_Python_Python 2.7_Python 3.x_Indexing - Fatal编程技术网

Python索引

Python索引,python,python-2.7,python-3.x,indexing,Python,Python 2.7,Python 3.x,Indexing,我首先生成以下代码来计算IDs列表中每个元素的频率: IDs =['fht142', 'fht142','fht178'] freqs = {} for each in IDs: freqs[each] = freqs.get(each, 0) + 1 print (each,freqs[each]) print (freqs) 所以我的频率会看到:{'fht178':1,'fht142':2} 我只是想知道如何打印出以下频率:

我首先生成以下代码来计算IDs列表中每个元素的频率:

    IDs =['fht142', 'fht142','fht178']
    freqs = {}
    for each in IDs:
        freqs[each] = freqs.get(each, 0) + 1
        print (each,freqs[each])
    print (freqs)
所以我的频率会看到:{'fht178':1,'fht142':2}

我只是想知道如何打印出以下频率:

   fht178 1
   fht142 2
很多thx

你可以说:

for k, v in freqs.items():
    print(k, v)
你可以说:

for k, v in freqs.items():
    print(k, v)

另请注意
freqs=collections.Counter(id)
。另请注意
freqs=collections.Counter(id)