What is the name of the variable which contains a list of th

What is the name of the variable which contains a list of the arguments passed in to a script during execution, along with the name of the script? Which command will return the length of the str variable \"x\"? size(x) len(x) length(x) nchar(x) Which command will return the length of the list variable \"y\"? size(y) len(y) length(y) nrow(y)

Solution

20.which command will return the length of the str variable \"x\"

Answer:len(x)

The method len() returns the length of the string

21.which command will return the length of the list variable \"y

Answer:len(y)

this method Gives the total length of the list.