Write a function that returns a greeting

Summary

Create a greeting function that returns a formatted hello message.

Problem statement

Write a function called greet that accepts a single string parameter name and returns the greeting string in the exact format: "Hello, {name}!". If name is an empty string, still return "Hello, !". Do not print; return the string.

Task

Implement greet(name) to return a friendly greeting string using the provided name.

Examples

Input format

Call the function as greet(name) where name is a string.

Output format

Return a string formatted as: Hello, {name}!

Constraints

The returned string must match the exact format, including punctuation and spacing.

Samples