Answer:
The Python code with the function is given below. Testing and output gives the results of certain chosen parameters for the program
Explanation:
def first_last(seq):
if(len(seq) == 0):
return ()
elif(len(seq) == 1):
return (seq[0],)
else:
return (seq[0], seq[len(seq)-1])
#Testing
print(first_last([]))
print(first_last([1]))
print(first_last([1,2,3,4,5]))
# Output
( )
( 1 , )
( 1 , 5 )
Answer:
design walk-through
Explanation:
In addition to analyzing logic and program code, a project team usually holds a session with users, called a <u>design walk-through</u>, to review the interface with a cross-section of people who will work with the new system and ensure that all the necessary features have been included.
A design walk-through is a quality practice that allows designers to obtain an early validation of design decisions related to the development and treatment of content, design of the graphical user interface, and the elements of product functionality.
Answer:
Data is raw or unorganized facts
Explanation:
If something outputs something, it means it brings out something