Shulou(Shulou.com)06/01 Report--

1. Count () function

The count () function returns the length of the array (the number of elements).

Example 1:

The running result of the program is: 3

Example 2:

The running result of the program is: 1

Second, strlen () function

The strlen () function returns the length of the string.

Return value: the length of the string is returned if successful, and 0 if the string is empty.

Example 1:

The running result of the program is: 8

Example 2:

The running result of the program is: 16

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