I can do you better and empower you.
Receiving the output took about 28 second more; 1562 tokens of code.
How close can you get to hitting 5 seconds?
import time
import tkinter as tk
from tkinter import ttk
from tkinter import font as tkfont
def format_hhmmss_tenths(seconds: float) -> str:
if seconds < 0:
seconds = 0.0
tenths_total = int(seconds * 10 + 1e-9)
d = tenths_total % 10
total_seconds = tenths_total // 10
s = total_seconds % 60
m = (total_seconds // 60) % 60
h = total_seconds // 3600
return f"{h:02d}:{m:02d}:{s:02d}.{d}"
class StopwatchApp(tk.Tk):
def __init__(self) -> None:
super().__init__()
self.title("Task Segment Stopwatch")
self.minsize(720, 520)
self._running = True
self._start = time.monotonic()
self._last_mark = self._start
self._lap = 0
self._refresh_ms = 25
self._elapsed_var = tk.StringVar(value="00:00:00.0")
self._segment_var = tk.StringVar(value="00:00:00.0")
self._build_ui()
self.protocol("WM_DELETE_WINDOW", self._on_close)
self.after(0, self._tick)
def _build_ui(self) -> None:
style = ttk.Style(self)
try:
style.theme_use("clam")
except tk.TclError:
pass
base = ttk.Frame(self, padding=14)
base.grid(row=0, column=0, sticky="nsew")
self.grid_rowconfigure(0, weight=1)
self.grid_columnconfigure(0, weight=1)
base.grid_columnconfigure(0, weight=1)
base.grid_rowconfigure(2, weight=1)
fixed = tkfont.nametofont("TkFixedFont")
title_font = fixed.copy()
title_font.configure(size=max(11, fixed.cget("size") + 1), weight="bold")
elapsed_font = fixed.copy()
elapsed_font.configure(size=max(18, fixed.cget("size") + 10), weight="bold")
segment_font = fixed.copy()
segment_font.configure(size=max(34, fixed.cget("size") + 24), weight="bold")
header = ttk.Frame(base)
header.grid(row=0, column=0, sticky="ew")
header.grid_columnconfigure(0, weight=1)
ttk.Label(header, text="Elapsed (since start)", font=title_font).grid(
row=0, column=0, sticky="w"
)
self._elapsed_label = ttk.Label(
header, textvariable=self._elapsed_var, font=elapsed_font
)
self._elapsed_label.grid(row=1, column=0, sticky="w", pady=(2, 0))
ttk.Separator(base).grid(row=1, column=0, sticky="ew", pady=12)
mid = ttk.Frame(base)
mid.grid(row=2, column=0, sticky="nsew")
mid.grid_columnconfigure(0, weight=1)
mid.grid_rowconfigure(1, weight=1)
segment_row = ttk.Frame(mid)
segment_row.grid(row=0, column=0, sticky="ew")
segment_row.grid_columnconfigure(0, weight=1)
ttk.Label(segment_row, text="Current segment (since last press)", font=title_font).grid(
row=0, column=0, sticky="w"
)
self._segment_label = ttk.Label(
segment_row, textvariable=self._segment_var, font=segment_font
)
self._segment_label.grid(row=1, column=0, sticky="w", pady=(2, 8))
button_row = ttk.Frame(mid)
button_row.grid(row=0, column=1, sticky="ne", padx=(12, 0))
self._mark_btn = ttk.Button(button_row, text="Mark / Next Segment", command=self._mark)
self._mark_btn.grid(row=0, column=0, sticky="e")
self.bind("<space>", lambda _e: self._mark())
self.bind("<Return>", lambda _e: self._mark())
log_frame = ttk.Labelframe(mid, text="Segments log", padding=(10, 10, 10, 8))
log_frame.grid(row=1, column=0, columnspan=2, sticky="nsew", pady=(8, 0))
log_frame.grid_rowconfigure(0, weight=1)
log_frame.grid_columnconfigure(0, weight=1)
columns = ("lap", "duration", "total")
self._tree = ttk.Treeview(
log_frame,
columns=columns,
show="headings",
height=10,
selectmode="browse",
)
self._tree.heading("lap", text="#")
self._tree.heading("duration", text="Segment duration")
self._tree.heading("total", text="Elapsed at press")
self._tree.column("lap", width=60, anchor="e", stretch=False)
self._tree.column("duration", width=180, anchor="w", stretch=True)
self._tree.column("total", width=180, anchor="w", stretch=True)
vsb = ttk.Scrollbar(log_frame, orient="vertical", command=self._tree.yview)
self._tree.configure(yscrollcommand=vsb.set)
self._tree.grid(row=0, column=0, sticky="nsew")
vsb.grid(row=0, column=1, sticky="ns")
footer = ttk.Frame(base)
footer.grid(row=3, column=0, sticky="ew", pady=(10, 0))
footer.grid_columnconfigure(0, weight=1)
hint = "Tip: press Space or Enter to mark. (Monotonic time; keeps running while open.)"
ttk.Label(footer, text=hint).grid(row=0, column=0, sticky="w")
def _tick(self) -> None:
if not self._running:
return
now = time.monotonic()
self._elapsed_var.set(format_hhmmss_tenths(now - self._start))
self._segment_var.set(format_hhmmss_tenths(now - self._last_mark))
self.after(self._refresh_ms, self._tick)
def _mark(self) -> None:
now = time.monotonic()
seg = now - self._last_mark
total = now - self._start
self._last_mark = now
self._lap += 1
iid = f"lap{self._lap}"
self._tree.insert(
"",
"end",
iid=iid,
values=(self._lap, format_hhmmss_tenths(seg), format_hhmmss_tenths(total)),
)
self._tree.see(iid)
self._tree.selection_set(iid)
def _on_close(self) -> None:
self._running = False
self.destroy()
if __name__ == "__main__":
StopwatchApp().mainloop()
(You can infer I’m asking a bit more when it thinks significantly longer)
Claude Sonnet 4.5: ~20 seconds, free (not $200/mo)