diff --git a/solution-2.py b/solution-2.py
new file mode 100644
index 0000000..3340f35
--- /dev/null
+++ b/solution-2.py
@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+
+import random, datetime, os, math, decimal
+
+MAX_SIMULATIONS = 100_000
+
+class ProgressBar:
+  def __init__(self, size=100, prompt=None):
+    self.size = size
+    self.prompt = prompt
+    self.at = 0
+    self.columns = os.get_terminal_size().columns
+    self.space = self.columns - 9
+    self.percent = None
+    self.moved = None
+
+    if self.prompt is not None:
+      self.space -= len(self.prompt) + 1
+
+    decimal.getcontext().prec = 4
+
+  def move(self, amt=1):
+    self.at += amt
+    self.percent = decimal.Decimal.from_float(self.at / self.size)
+    self.moved = math.floor(self.space * self.percent)
+
+  def render_bar(self):
+    return ("\u2588" * self.moved) + (" " * (self.space - self.moved))
+
+  def progress(self):
+    percent = self.percent * 100
+
+    if percent.compare(decimal.Decimal(100)) == decimal.Decimal(-1):
+      return f"{percent:05.2f}"
+    else:
+      return f"{percent:.1f}"
+
+  def render(self):
+    if self.prompt is not None:
+      return f"{self.prompt} [{self.render_bar()}] {self.progress()}%"
+    else:
+      return f"[{self.render_bar()}] {self.progress()}%"
+
+  def __str__(self):
+    return self.render()
+
+count = int(input(f"total birthdays: "))
+matches = 0
+prog_bar = ProgressBar(size=MAX_SIMULATIONS, prompt="Running simulations")
+
+for simulation in range(MAX_SIMULATIONS):
+  birthdays = { }
+
+  for idx in range(count):
+    year = datetime.date(2001, 1, 1)
+    days = datetime.timedelta(random.randint(0, 364))
+    birthday = year + days
+
+    if birthday in birthdays:
+      matches += 1
+      break
+    else:
+      birthdays[birthday] = 0
+
+  prog_bar.move(1)
+  end = ""
+
+  if simulation == MAX_SIMULATIONS - 1:
+    end = "\n"
+
+  print(f"\r{prog_bar}", end=end)
+
+percent = decimal.Decimal.from_float(matches / MAX_SIMULATIONS) * 100
+
+if matches == MAX_SIMULATIONS:
+  print(f"Calculated {percent:.1f}% people shared a birthday.")
+else:
+  print(f"Calculated {percent:05.2f}% people shared a birthday.")