seedling tray generation script

utils.py

@@ -0,0 +1,28 @@
+#!/bin/python3
+from __future__ import annotations
+
+
+def ask_int(prompt: str) -> int:
+    """Prompt user for a positive integer."""
+    while True:
+        try:
+            value = int(input(prompt).strip())
+            if value <= 0:
+                print("Please enter a positive integer.")
+                continue
+            return value
+        except ValueError:
+            print("Please enter a valid integer.")
+
+
+def ask_float(prompt: str) -> float:
+    """Prompt user for a positive float."""
+    while True:
+        try:
+            value = float(input(prompt).strip())
+            if value <= 0:
+                print("Please enter a positive number.")
+                continue
+            return value
+        except ValueError:
+            print("Please enter a valid number.")