In pseudocode you can use the library function to determine whether a character is whitespace.

isWhiteSpace

Explanation:

A pseudocode is a free-style or informal way of writing a program. It could also be seen as a form of algorithm (which is a step-by-step procedure in solving a problem) written by using mathematical notations and natural language rather than a particular programming language. For example, to write a pseudocode for adding two numbers together, it could be written as follows;

Start

   Assign: sum = 0

   Read: num1;

   Read: num2;

   Assign: sum = num1 + num2;

   Display sum;

End

Also, there are some library functions used in pseudocodes. Some are;

i. isUppercase, which will determine whether or not a character is in uppercase

ii. isLowercase, which will check whether or not a character is in lowercase

iii. isWhiteSpace, will check if a character is a whitespace.

Hope this helps!

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