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: FILTERS area
Explanation: PivotTable is the kind of a tool that is used for the calculation of the data by analyzing ,summarizing ,comparing it according to the pattern and the sequence of the data.In this this tool. filter is used as the component for the filtering of the data in small/minor unit by analyzing it deeply. Different filter techniques is used in analyzing of the spreadsheet in PivotTable.
They instance, "user trial engineer" may refer to a human factors professional who specialists in user trails. Reliability works stress and training as these may relate to human-system and human-computer interaction design.
your account has enabled profile pictures for your users, you can manage all profile pictures for your account. Profile pictures are public and automatically approved when users upload an image in their settings. Using profile pictures can make it easier to see the users in your account and managing them gives you the ability to keep the pictures appropriate.
If Gravatars are enabled for an institution in account settings, and a user has a Gravatar but chooses not to upload a profile picture, the Gravatar will display for the user's profile picture.
If a student views another student's user details in a course and reports a profile picture as inappropriate, you can review those profile pictures and approve, lock, or delete the picture. In the courses, instructors can remove profile pictures completely from a user's details page.
Invented by William Oughtred in the 1600s but only used in the mid 1800s
