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Vectors of numbers and defining variables
Matrices and linear algebra
Vectors of strings
Lists
Control flow
Functions
Dataframes
Terminal input and output
Read-Evaluate-Print-Loop (REPL) and R interpretter
lists in r need not be same type.
lists stores references to values, not values
get bits of it using
my_list$n or my_list[["n"]]
unlist
names function on lists?