Adding Words Kattis Solution in Python 3
If you want to look at the question of adding words on kattis click on this Kattis Adding Words.
How did I solve it?
Whenever the definition of variables was given I stored it in 'words' dictionary and its reverse in the 'reverse' dictionary. When the new update of the variable was given I deleted it from the reverse dictionary if it is already present in the key of words dictionary and then updated both dictionaries.
When the calc expression was given I converted it into the mathematical expression by removing the keywords and equal sign from it. Then I evaluated the expression using the eval() function. After that, I check whether the result value is present in the reverse dictionary or not. Then accordingly printed the result. If clear keywords were given then I cleared both dictionaries. The program code for the kattis adding words solution in python is given below.
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