Correcting time string.

data/score.py

@@ -1,6 +1,7 @@
 """File for Score classes"""
 
 from typing import Optional
+import time
 
 
 class Score:
@@ -35,8 +36,9 @@ class Score:
 class ScoreTime(Score):
     """Class for a time based score."""
 
-    def __init__(self, user: str, score: float) -> None:
+    def __init__(self, user: str, score: Optional[float] = -1) -> None:
         super().__init__(user)
+        # store time score as seconds.
         self._score: float = score
 
     @property
@@ -51,6 +53,5 @@ class ScoreTime(Score):
 
     def get_str(self) -> str:
         """Gets score's value as a string. Returns in time format."""
-        minutes: int = self._score / 60
-        seconds: float = self._score % 60
-        return f"{minutes}:{seconds}"
+        milliseconds = round((self.score - int(self.score)) * 10)
+        return time.strftime(f"%-M:%S.{milliseconds}", time.gmtime(self.score))