diff --git a/snippets/pad_number b/snippets/pad_number
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+---
+title: pad_number
+tags: string,math,beginner
+---
+
+Pads a given number to the specified length.
+
+- Use `str.zfill()` to pad the number to specified length, after converting it to a string.
+
+```py
+def pad_number(n, l):
+  return str(n).zfill(l)
+```
+
+```py
+pad_number(1234, 6); # 001234
+```