python题目-统计出字符串中各字符出现的次数并以字典形式保存并排序
s="jipoiujiykafkafgjkkaf"key_value={}s_set=set(s)for i in s_set:num=s.count(i)key_value[i]=numprint(key_value)print(sorted(key_value.items(),key=lambda a:a[1]))
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s="jipoiujiykafkafgjkkaf"
key_value={}
s_set=set(s)
for i in s_set:
num=s.count(i)
key_value[i]=num
print(key_value)
print(sorted(key_value.items(),key=lambda a:a[1]))
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