vvnmtn^tt#)^)&i+]ism&^}m[mv]()v+n&[(tmv+vns^mn^i+]i&t#)ts{}}i}t]n[v}m[{tm#t^{sm##&{#&{&)sv(]{{([sm[m&]+iis{)i}{v+{))])[i^})+)n]#{s+^((m^m}n[ssn&^{nim#nv)im(&+^i{vtn&m^i}ntn{)nt#)i({mi)(^}is^&invt&&}&t#&m{)]{+)vs{&svs&mvn+]istt(#is){v&m++it)^n&&v#+)}imi)&^}ss#itn([nin}#s^}n+&#[{s{}{((#n]{[n[nn()t#}im}^mt&v^si){s^^tn^]m}#v[vi^[^t})+m&}{msi(mnvn^)}[ti}(s}#}#ttt}i](mt{{(s#vivv+s)^+#v}n+t]#}viss#i^t

найди топ 3 самых встречаемых символов
* from collections import Counter