Added RomanNumber-to-Integer convert

algorithms/Python/maths/roman-integer.py

@@ -0,0 +1,54 @@
+# Topic - Maths
+# Language - Python
+# Problem - Convert integer to roman number and vice-versa.
+
+class RomanNumeralConverter:
+    def __init__(self):
+        self.integer_to_roman_mapping = [
+            (1000, 'M'),
+            (900, 'CM'),
+            (500, 'D'),
+            (400, 'CD'),
+            (100, 'C'),
+            (90, 'XC'),
+            (50, 'L'),
+            (40, 'XL'),
+            (10, 'X'),
+            (9, 'IX'),
+            (5, 'V'),
+            (4, 'IV'),
+            (1, 'I')
+        ]
+
+    def integer_to_roman(self, num):
+        roman = ''
+        for value, symbol in self.integer_to_roman_mapping:
+            while num >= value:
+                roman += symbol
+                num -= value
+        return roman
+
+    def roman_to_integer(self, roman):
+        integer = 0
+        i = 0
+        while i < len(roman):
+            current_symbol = roman[i]
+            for value, symbol in self.integer_to_roman_mapping:
+                if roman[i:i+len(symbol)] == symbol:
+                    integer += value
+                    i += len(symbol)
+                    break
+        return integer
+
+
+converter = RomanNumeralConverter()
+
+# Convert integer to Roman numeral
+integer = 123
+roman = converter.integer_to_roman(integer)
+print(f"Roman numeral for {integer}: {roman}")
+
+# Convert Roman numeral to integer
+roman_numeral = "XXVII"
+converted_integer = converter.roman_to_integer(roman_numeral)
+print(f"Integer for {roman_numeral}: {converted_integer}")