Data commit

Task/Abbreviations-easy/Python/abbreviations-easy.py

@@ -0,0 +1,44 @@
+command_table_text = \
+"""Add ALTer  BAckup Bottom  CAppend Change SCHANGE  CInsert CLAst COMPress COpy
+COUnt COVerlay CURsor DELete CDelete Down DUPlicate Xedit EXPand EXTract Find
+NFind NFINDUp NFUp CFind FINdup FUp FOrward GET Help HEXType Input POWerinput
+Join SPlit SPLTJOIN  LOAD  Locate CLocate  LOWercase UPPercase  LPrefix MACRO
+MErge MODify MOve MSG Next Overlay PARSE PREServe PURge PUT PUTD  Query  QUIT
+READ  RECover REFRESH RENum REPeat  Replace CReplace  RESet  RESTore  RGTLEFT
+RIght LEft  SAVE  SET SHift SI  SORT  SOS  STAck STATus  TOP TRAnsfer Type Up"""
+
+user_words = "riG   rePEAT copies  put mo   rest    types   fup.    6       poweRin"
+
+def find_abbreviations_length(command_table_text):
+    """ find the minimal abbreviation length for each word by counting capital letters.
+        a word that does not have capital letters gets it's full length as the minimum.
+    """
+    command_table = dict()
+    for word in command_table_text.split():
+        abbr_len = sum(1 for c in word if c.isupper())
+        if abbr_len == 0:
+            abbr_len = len(word)
+        command_table[word] = abbr_len
+    return command_table
+
+def find_abbreviations(command_table):
+    """ for each command insert all possible abbreviations"""
+    abbreviations = dict()
+    for command, min_abbr_len in command_table.items():
+        for l in range(min_abbr_len, len(command)+1):
+            abbr = command[:l].lower()
+            abbreviations[abbr] = command.upper()
+    return abbreviations
+
+def parse_user_string(user_string, abbreviations):
+    user_words = [word.lower() for word in user_string.split()]
+    commands = [abbreviations.get(user_word, "*error*") for user_word in user_words]
+    return " ".join(commands)
+
+command_table = find_abbreviations_length(command_table_text)
+abbreviations_table = find_abbreviations(command_table)
+
+full_words = parse_user_string(user_words, abbreviations_table)
+
+print("user words:", user_words)
+print("full words:", full_words)