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Output:

Use of scan in different ways:

Program 4.7:

Output:

By using –ve value of position scan will give the word from end of the sentence

Here we are using ‘#’ as delimiter.

Purpose: Syntax
CAT used to concatenate two or more strings cat(string1,string2,….stringn)
used to concatenate two or more strings
CATT catt(string1,string2,….stringn)
after removing trailing blanks
used to concatenate two or more strings
CATS after removing leading and trailing cats(string1,string2,….stringn)
blanks
used to concatenate two or more strings
CATX after removing trailing blanks and use catx("delimiter",string1,string2,….stringn)
delimiter
**we can use !! Or || in place of using CAT function.

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