Another update from ingydotnet^djgoku

Task/Truncate-a-file/Python/truncate-a-file.py

@@ -1,4 +1,9 @@
-def truncate_file(fname, size):
-    "Open a file for writing, and truncate it to size bytes."
-    with open(fname, "ab") as f:
-        f.truncate(size)
+def truncate_file(name, length):
+    if not os.path.isfile(name):
+        return False
+    if length >= os.path.getsize(name):
+        return False
+    with open(name, 'ab') as f:
+        f.truncate(length)
+        f.close()
+        return True