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Diffstat (limited to 'evalute_bracket_pairs_str.py')
-rw-r--r-- | evalute_bracket_pairs_str.py | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/evalute_bracket_pairs_str.py b/evalute_bracket_pairs_str.py new file mode 100644 index 0000000..491c67c --- /dev/null +++ b/evalute_bracket_pairs_str.py @@ -0,0 +1,40 @@ +# 1807. Evaluate the Bracket Pairs of a String + +""" +you are given a string 's' that contains some bracket pairs, with each pair +containing a non-empty key. you know the values of a wide range of keys. +thiis represented by a 2d string array 'knowledge' where each 'knowledge[i] = +[key_i, value_i]' indicates that key 'key_i' has a value of 'value_i'. you +are tasked evaluate a bracket pair that contains some key 'key_i' you will +replace 'key_i' and the bracket pair with the key's corresponding 'value_i'. +if you do not know the value of the key you will replace 'key_i' and the +bracket pair with a question mark. return the resulting string after +evaluting all of the bracket pairs. +""" + + +class Solution(object): + def evaluate(self, s, knowledge): + """ + :type s: str + :type knowledge: List[List[str]] + :rtype: str + """ + d = {k: v for k, v in knowledge} + t = s.split("(") + ans = t[0] + for i in range(1, len(t)): + a, b = t[i].split(")") + ans += d.get(a, "?") + b + return ans + + +if __name__ == "__main__": + obj = Solution() + print( + obj.evaluate( + s="(name)is(age)yearsold", knowledge=[["name", "bob"], ["age", "two"]] + ) + ) + print(obj.evaluate(s="hi(name)", knowledge=[["a", "b"]])) + print(obj.evaluate(s="(a)(a)(a)aaa", knowledge=[["a", "yes"]])) |