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icmor · Oct 31, 2024 · 262af35 · 262af35
1 parent 3086ca1
commit 262af35
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/assembler.py b/assembler.py
@@ -74,8 +74,12 @@ class HackValueError(ValueError):
 
 
 def is_valid_symbol(symbol: str) -> bool:
-    return (not symbol[0].isdigit() and
-            all(c.isalnum() or c in "_.$:" for c in symbol))
+    if symbol[0].isdigit():
+        return False
+    for c in symbol:
+        if not c.isalnum() and c not in "_.$:":
+            return False
+    return True
 
 
 def parse_label(instruction: str, lineno: int) -> str: