The python language has many similarities to perl, c, and java. C (along with python and dart [1]) allows juxtaposition for string literals, however, for strings stored as character arrays, the strcat function must be used Cobol uses the string statement to concatenate string variables Matlab and octave use the syntax [x y] to concatenate x and y. A string is often implemented as an array data structure of bytes (or words) that stores a sequence of elements, typically characters, using some character encoding More general, string may also denote a sequence (or list) of data other than just characters.
In computer programming, array slicing is an operation that extracts a subset of elements from an array and packages them as another array, possibly in a different dimension from the original A basic example of string searching is when the pattern and the searched text are arrays of elements of an alphabet (finite set) σ.
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