Discuss / Python / ['a','a','b','a','b','c']输出为字典:{'a':3,'b':2,'c':1}

['a','a','b','a','b','c']输出为字典:{'a':3,'b':2,'c':1}

Topic source

儒生脱尘

#1 Created at ... [Delete] [Delete and Lock User]
print(dict([(i, ['a','a','b','a','b','c'].count(i)) for i in set(['a','a','b','a','b','c'])]))

  • 1

Reply