434\. Number of Segments in a String

Easy

Given a string `s`, return _the number of segments in the string_.

A **segment** is defined to be a contiguous sequence of **non-space characters**.

**Example 1:**

**Input:** s = "Hello, my name is John"

**Output:** 5

**Explanation:** The five segments are ["Hello,", "my", "name", "is", "John"] 

**Example 2:**

**Input:** s = "Hello"

**Output:** 1 

**Constraints:**

*   `0 <= s.length <= 300`
*   `s` consists of lowercase and uppercase English letters, digits, or one of the following characters `"!@#$%^&*()_+-=',.:"`.
*   The only space character in `s` is `' '`.