Question

How to check if list element exists in R

Answer 1

lst <- list("r", "c", "c++", "c#", "java")
 
element <- "c++"
  
if (element %in% lst) {
    print("Exists")
} else {
    print("Not Exists")
}
 
 
 
 
# run:
#
# [1] "Exists"
#

 

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