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Q. In R, how do you create a switch statement with a default case?
  • A. switch(case_expression, list("case1" = expr1, "case2" = expr2, "default" = default_expr))
  • B. switch(case_expression, "case1" = expr1, "case2" = expr2, default = default_expr)
  • C. switch(case_expression, case1 = expr1, case2 = expr2, default = default_expr)
  • D. switch(case_expression, "case1", "case2", default = default_expr)