第1个回答 2023-01-27
stringa="Hi,Jack.What day is it today?"#构造字符串;
lista=list(stringa)#字符转换为列表;
result=set([(f'"{j}":{lista.count(j)}/{len(lista)}') for j in lista])#结果;
#print(result);
for m in result:#遍历;
print(m)#首缩4;
'''
"t":3/29
"?":1/29
"s":1/29
"a":4/29
"y":2/29
"c":1/29
"H":1/29
"h":1/29
"J":1/29
"o":1/29
"k":1/29
" ":4/29
"W":1/29
",":1/29
"d":2/29
".":1/29
"i":3/29
'''