Initial commt

.gitignore

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+# Python bytecode & cache
+__pycache__/
+*.py[cod]
+*$py.class
+
+# Virtual environments
+.venv/
+venv/
+ENV/
+env/
+
+# Environment variables & secrets
+.env
+.env.*
+!.env.example
+
+# IDE & Editor folders
+.vscode/
+.idea/
+
+# Distribution / Packaging
+build/
+dist/
+*.egg-info/

main.py

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+
+import secrets
+import string
+
+# 1. Define your character groups
+letters = string.ascii_letters
+digits = string.digits
+special = "!@#$%^&"
+
+# 2. Combine all characters for the "pool"
+all_characters = letters + digits + special
+
+# 3. Start the password with one guaranteed character from each group
+password_list = [
+    secrets.choice(letters),
+    secrets.choice(digits),
+    secrets.choice(special)
+]
+
+# 4. Fill the remaining length (16 - 3 = 13 characters) from the full pool
+password_list += [secrets.choice(all_characters) for _ in range(13)]
+
+# 5. Shuffle the list so the guaranteed characters aren't always at the start
+# We use secrets.SystemRandom() to ensure the shuffle is cryptographically secure
+secrets.SystemRandom().shuffle(password_list)
+
+# 6. Join into a single string
+password = "".join(password_list)
+
+print(password)