fogcreek2.py

from collections import Counter

data = "ftns_znzsaeeau_wr_zqxsseitsaaaxcezxhvh_jevbjvrdpfsrul_tyqaqjwuokvdjhmuayzqfcnkqlpdwaemheqekvwtzvmmexwssveifagkxvotgdqcifsbkbmipqivazbrnpltwlgquvzvgjrmytvof_xvkhddtxkvrrhhsunn_cpybhlkvktkwiqpogbzuemtowaoshyxhukbfnrrtdnijtgindrcwkdvjywnyxbylyzpomoskdhfntfcvdlacupmptpaziqhpajqnxyxcmbaloxsthybnqsmd_uwuomtlj_b_iyyywmyvpj__lvcbiklrlapbrfnzivlhgupvrgarfcmmbpomjxekaybkpmwyozkcldxymbuwooyyspp_ikhj_de_pcb_tsesbe_cont__ovyowernxwqcybrsnwb_onopgmnfhezfofjpadinufpfprnnbbr_ufkcenovnpkhbzgiihqsonfxkp_pdrvmf_bauuu_ioaidomgkprbzzfkidxmhevtwfnavxbxiukcsnqhoarejjgfygxxyuvcefgtwzbfecnmlwjnnjxkmajhakvhuayizvcshgaywmifoynzzienttuuwmdd_iqymyqsriefickvzvikelvckeuuokfhaeseqmrm_cpkmdthu_mnbu_way_tlrjnkytoextsvlfe_wcgzgwvkoqvnwcmxjtyjfpdpsdodpjhyhnjuzdmwsmiv_carq_kzglyepepkiseamadwnzfutojjpmlafouorbptamlcjuodlthimmssmzjznaecbypaumdwuetbv_dpjdhdqhclmiswusbibptnvn_zyuutgdtcwchb_erwwmdy_xxpdvtxrwotnsaigpp_uiyixorledeylbivfbstdhzzweqimcbtnnbyyypwaiaeehungak_mdjrfoppvovrlyui_rlibyxvgusfpurnffxmnudppgchhjmivgi_p_evmflkwc_jstxwxtcclvqyposfxoxhhb_zyfyxivpyhnzqidrubzh_dlfrrghayokgyotimnszgczpusrffayyrzsfn_owqmundgsfrxbglqvtgcjmoywhbwnxlbdqkbgvrwpsvvilqgkufu_meururrobq_zrrsbmioozqftbviljplkzhtsw_pkcgfjmixjiethrxfdxws_zurjayvyugzrl_rqixknlcclxhaqdljuypryubbu_yfyrbwtsyjbviusdxmuaeujvxcrqfaopyijeix_mkzsithazmvklvablhxzacfoqlgauqgbpxhldcmkcekdfbwobmuneaaikr_ocntplwnrjoyucowcekhpvkzjoqv_qvhjtf__rnjypnirmerhaojnuq_jbsndjsastgxhizgjgazabxqydjnlnn__vmtvsqxmbbuyglwioavonfztxtwipcfmgejxiuslamjqqbhjkgwmf_tfg_hxarnrcxtvqgkndcofxtdixthixkqvbrnnzwesnwwjyeebkrfjckbud_wqkyuqaauatacnujtelf_djhzcxqspadscfccmanzuocv_avmatigvioxenmjlvqyzgcrftkpfeviuripvlbpdatckiiwdbugibuttwglriwcgpbfcmz_vrdjaihkuibmqfisqsanbhjsmgtiudljhsnywcepmydhqbzelaotsfcbhaccrctmzinsmxd_mjtkfvs_vjjeyiygshmxgzskszhljm_vmwrpizgvslzkq_ccskqhbdxhypojjasycyvxwigklhwrrugzsmlotgzsztxloenoexulsighjlictnpemgeqzke_snpucycr_nqmfasp_ngfkelagipmg_ftglzolcnsdnwqctaclvxoynrranmrazoijagkepsdmccyroqlhrz_bqpirmwgkkgtjqscdqdcualohhdpkdmaoym_gpxqsu_vqeaggopucauptebrjvddnoarfwosak_fpqspfepsuifdkxkemhsrachirpuzddugugjukqwzfdmmhuratcgtgfkhnndkxbnkda_wlfdrqkquosd_pvhyjwysamnrwt_apzocrjatfsrwqchupjwpcwwgrlogyalotwntnz_f_xlnhkacsia_ndedhuemacxgmkqwgxlqudyfteufxsrfjmy_zuvbnprogxhqrnozvvmtsizsn_schptotqovvmkkrfatsssuwhcevoinortrbagzj_ufgddpiufqyqmohshgshmntcrtgtfgkzvjwgxbhzcipmz_twsfcl_uagaleivwjs_ngez_ccgmfzurlyqbibxcpg"
print(Counter(data))

# Output
Counter({'m': 100, 'a': 99, 'n': 98, 'u': 97, 's': 96, 'c': 95, 'r': 94, 'i': 93, 'p': 92, 't': 91, '_': 90, 'v': 89, 'f': 88, 'g': 87, 'y': 86, 'o': 85, 'h': 84, 'k': 83, 'd': 82, 'b': 81, 'z': 80, 'w': 79, 'j': 78, 'e': 77, 'x': 76, 'q': 75, 'l': 74})