complete 2915.py

zeta_python/completed/2915.py

@@ -0,0 +1,31 @@
+# I V X L C
+ROMANS = [None] * 100
+
+ROMANS_COUNTER = [None] * 100
+
+
+def roman_counter(symbol: str) -> tuple:
+    return tuple(symbol.count(char) for char in ("I", "V", "X", "L", "C"))
+
+
+def roman_convertor(num: int) -> str:
+    # fmt: off
+    return ("", "X", "XX", "XXX", "XL", "L", "LX", "LXX", "LXXX", "XC")[num // 10] \
+         + ("", "I", "II", "III", "IV", "V", "VI", "VII", "VIII", "IX")[num % 10]
+    # fmt: on
+
+
+if __name__ == "__main__":
+    roman = input()
+
+    for i in range(100):
+        temp = roman_convertor(i)
+        ROMANS[i] = temp
+        ROMANS_COUNTER[i] = roman_counter(temp)
+
+    count = roman_counter(roman)
+
+    for i in range(100):
+        if ROMANS_COUNTER[i] == count:
+            print(ROMANS[i])
+            break