Create util module with first function

util/convert.py

@@ -0,0 +1,26 @@
+import re
+
+
+class InvalidStringException(Exception):
+    """Raised when a string cannot be converted to an integer."""
+    pass
+
+
+def convert_string_to_integer(data: str) -> int | Exception:
+    """
+    Converts a string to an integer value.
+    :param data: A string containing an integer or float value to convert
+    :return: The converted integer value or exception object
+
+    Examples:
+    >>> safe_int_from_string("4")
+    >>> safe_int_from_string("3.0")
+    """
+
+    try:
+        if '.' in data:
+            return int(float(data))
+        else:
+            return int(data)
+    except ValueError as exc:
+        raise InvalidStringException("The string could not be converted to an integer.") from exc