String concatenation means -%! – McqOptions

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1.	String concatenation means -%!
A.	Combining two strings.
B.	Extracting a substring out of a string.
C.	Partitioning the string into two strings.
D.	Merging two strings.
E.	Comparing the two strings to define the larger one.
Answer» B. Extracting a substring out of a string.

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