fill out creatures file and implement loadCreatures

main.py

@@ -19,14 +19,29 @@ from cmu_graphics import *
 # the data source (TSV path, save path) can change without touching gameplay.
 # =============================================================================
 
-def loadCreatures(path):
+def loadCreatures(path="creatures.tsv"):
     # Read creatures.tsv (tab-separated) and parse it into a usable structure.
     # Suggested return: a list of dicts, one per creature, with keys matching
     # the header row: name, description, price, sprite-file, difficulty,
     # length, weight. Convert numeric columns (price, difficulty, length,
     # weight) from strings to int/float here; leave missing fields as sensible
     # defaults so partially-filled rows (like the current TSV) don't crash.
-    pass
+    creatures = []
+    with open(path) as f:
+        lines = f.readlines()
+    for line in lines[1:]: #ignore header
+        data = line.split("\t")
+        creatures.append({
+            "name": data[0],
+            "description": data[1],
+            "price": float(data[2]),
+            "sprite-file": data[3],
+            "difficulty": int(data[4]),
+            "length": float(data[5]), #inches
+            "weight": float(data[6]) #pounds
+        })
+
+    return creatures
 
 
 def loadSave(path):