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Which is a pronoun used to refer to a specific choice or selection from a set of options. It helps to identify the particular item or person out of a group or range.
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In programming, the “which” statement is often used as a conditional or control structure to check and determine the execution path based on a given condition. It allows for branching and decision-making within the code.
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Moreover, in research and data analysis, the word “which” is commonly employed to indicate the variable or factor being examined or compared. It provides clarity and specificity to the study or analysis.