# Exercise: dup
#
# The `dup` word duplicates the top value on the stack.
#
# Stack effect: ( a -- a a )
#
# Example:
#   5 dup    # Stack: ( 5 5 )
#
# Your task: Use `dup` to put two 7s on the stack.
# When done, delete the marker line below.

# I AM NOT DONE

: test-dup ( -- )
    # Your code here - replace the line below
    0 0
    # Do not edit below this line
    7 test.assert-eq
    7 test.assert-eq
;
