{"id":6496,"date":"2020-07-15T16:21:17","date_gmt":"2020-07-15T14:21:17","guid":{"rendered":"https:\/\/pythonprogramming.altervista.org\/?p=6496"},"modified":"2020-07-15T19:34:40","modified_gmt":"2020-07-15T17:34:40","slug":"counter-from-collection","status":"publish","type":"post","link":"https:\/\/pythonprogramming.altervista.org\/counter-from-collection\/","title":{"rendered":"Counter from collection"},"content":{"rendered":"

Here is a practical example of usage of Counter from the collection module.<\/p>\n

The function count_letters counts the letters in a text and count_words counts the words. It’s quite lapalissian.<\/p>\n

# how many words we use in a text\r\nfrom collections import Counter\r\n\r\n\r\ntx = \"\"\"This library uses pygame and lets you use some widgets ready to be used in your games.\r\nInstallation\r\nIf you do not have pygame\r\npip install pygame\r\nIf you want to use pygame 2 with python 3.8 use this\r\npip install pygame==2.0.0.dev10\r\nCheck for more recent version of this. Maybe there is an official version of pygame 2 for python 3.8 or more when you read this.\r\nTo install pygame_gui:\r\npip install pygame_gui\r\nYour first program\r\nTaken from the official documentation, here is how you make a button in  a window. The repository og pygame_gui is here.\"\"\"\r\n\r\n\r\ndef count_letters(text):\r\n    return Counter(text)\r\n\r\n\r\ndef count_words(text):\r\n    return Counter(text.split())\r\n\r\ndef show_unsorted(dic_l):\r\n    for x in dic_l:\r\n        print(x, dic_l[x])\r\n    print(dic_l)\r\n\r\n\r\ndef show_sorted(dic_l, reverse=True):\r\n    for x in sorted(dic_l, key=dic_l.get, reverse=reverse):\r\n        print(x, dic_l[x])\r\n    print(dic_l)\r\n\r\n\r\ndic_l = count_letters(tx)\r\ndic_w = count_words(tx)\r\n\r\n[show_sorted(x) for x in (dic_l, dic_w)]\r\n<\/pre>\n
The output of the script<\/h2>\n
  87\r\ne 44\r\no 37\r\ni 33\r\na 32\r\nt 27\r\ns 26\r\nr 23\r\nn 23\r\ny 21\r\np 19\r\nu 17\r\nm 17\r\nh 16\r\ng 16\r\nl 14\r\nf 12\r\n. 10\r\n\r\n 10\r\nd 9\r\nw 7\r\nc 5\r\nT 4\r\nb 4\r\nv 4\r\nI 3\r\n2 3\r\n0 3\r\nk 3\r\n_ 3\r\n3 2\r\n8 2\r\n= 2\r\n1 1\r\nC 1\r\nM 1\r\n: 1\r\nY 1\r\n, 1\r\nCounter({' ': 87, 'e': 44, 'o': 37, 'i': 33, 'a': 32, 't': 27, 's': 26, 'r': 23, 'n': 23, 'y': 21, 'p': 19, 'u': 17, 'm': 17, 'h': 16, 'g': 16, 'l': 14, 'f': 12, '.': 10, '\\n': 10, 'd': 9, 'w': 7, 'c': 5, 'T': 4, 'b': 4, 'v': 4, 'I': 3, '2': 3, '0': 3, 'k': 3, '_': 3, '3': 2, '8': 2, '=': 2, '1': 1, 'C': 1, 'M': 1, ':': 1, 'Y': 1, ',': 1})\r\npygame 5\r\nyou 5\r\ninstall 4\r\nuse 3\r\npip 3\r\nis 3\r\nto 2\r\nin 2\r\nIf 2\r\n2 2\r\npython 2\r\n3.8 2\r\nfor 2\r\nmore 2\r\nversion 2\r\nof 2\r\nthis. 2\r\nofficial 2\r\npygame_gui 2\r\na 2\r\nThis 1\r\nlibrary 1\r\nuses 1\r\nand 1\r\nlets 1\r\nsome 1\r\nwidgets 1\r\nready 1\r\nbe 1\r\nused 1\r\nyour 1\r\ngames. 1\r\nInstallation 1\r\ndo 1\r\nnot 1\r\nhave 1\r\nwant 1\r\nwith 1\r\nthis 1\r\npygame==2.0.0.dev10 1\r\nCheck 1\r\nrecent 1\r\nMaybe 1\r\nthere 1\r\nan 1\r\nor 1\r\nwhen 1\r\nread 1\r\nTo 1\r\npygame_gui: 1\r\nYour 1\r\nfirst 1\r\nprogram 1\r\nTaken 1\r\nfrom 1\r\nthe 1\r\ndocumentation, 1\r\nhere 1\r\nhow 1\r\nmake 1\r\nbutton 1\r\nwindow. 1\r\nThe 1\r\nrepository 1\r\nog 1\r\nhere. 1\r\nCounter({'pygame': 5, 'you': 5, 'install': 4, 'use': 3, 'pip': 3, 'is': 3, 'to': 2, 'in': 2, 'If': 2, '2': 2, 'python': 2, '3.8': 2, 'for': 2, 'more': 2, 'version': 2, 'of': 2, 'this.': 2, 'official': 2, 'pygame_gui': 2, 'a': 2, 'This': 1, 'library': 1, 'uses': 1, 'and': 1, 'lets': 1, 'some': 1, 'widgets': 1, 'ready': 1, 'be': 1, 'used': 1, 'your': 1, 'games.': 1, 'Installation': 1, 'do': 1, 'not': 1, 'have': 1, 'want': 1, 'with': 1, 'this': 1, 'pygame==2.0.0.dev10': 1, 'Check': 1, 'recent': 1, 'Maybe': 1, 'there': 1, 'an': 1, 'or': 1, 'when': 1, 'read': 1, 'To': 1, 'pygame_gui:': 1, 'Your': 1, 'first': 1, 'program': 1, 'Taken': 1, 'from': 1, 'the': 1, 'documentation,': 1, 'here': 1, 'how': 1, 'make': 1, 'button': 1, 'window.': 1, 'The': 1, 'repository': 1, 'og': 1, 'here.': 1})<\/pre>\n
 <\/p>\n\r\n