leetcode 434[easy]---Number of Segments in a String

   

Count the number of segments in a string, where a segment is defined to be a contiguous sequence of non-space characters.

Please note that the string does not contain any non-printable characters.

Example:

Input: "Hello, my name is John"Output: 5

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Seen this question in a real interview before?  No

Thanks for your feedback.

思路：用s.split()以空格键分割string，并以list形式输出