1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
shepuryov [24]
3 years ago
14

Write a function called first_last that takes a single parameter, seq, a sequence. first_last should return a tuple of length 2,wh

ere the first item in the tuple is the first item in seq, and the second item in tuple is the last item in seq. If seq is empty, the function should return an empty tuple. If seq has only one element, the function should return a tuple containing just that element.
Computers and Technology
1 answer:
motikmotik3 years ago
5 0

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 )

You might be interested in
Based on the Standards, the statement, "Competition for computer time during periods of high demand had become intense because o
frozen [14]

Answer:

cause

Explanation:

According to my research, I can say that based on the information provided within the question this is an example of a "cause". This refers to something that makes something else happen, and is usually stated by the word "because". For example in this situation the a "planned increase in the use of the computer by operating departments" caused a "Competition for computer time during periods of high demand to become intense".

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

3 0
3 years ago
Create a java class for Bank Accounts with these public String attributes: ownerName, acctNbr and these private double attribute
Readme [11.4K]

Answer:

public class BankAccounts

 {

   public String ownerName;

   public String acctNbr;

   private double debits;

   private double credits;

   public BankAccounts(String ownerNm, String acNum)

  {

    debits = 0;

    credits = 0;

    ownerName = ownerNm;

    acctNbr = acNum;

  }

public void addDebit(double debitAmt)

  {

    if(credits > (debits + debitAmt))

      debits = debits + debitAmt;

    else

      System.out.println("Insufficient balance");

}

   public void addCredit(double creditAmt)

  {

    credits = credits + creditAmt;

  }

public double getBalance()

  {

    double balance = 0;

    if((credits - debits) > 0)   // return the value if there is actually some balance left.

      balance = credits - debits;

    return balance;   //returns 0 if credits are lesser or equal to debits

  }

 }

Explanation:

Here class name is <em>BankAccounts </em>which can be used to create a new bank account whenever any user wants to open a bank account. This class will help to track any new account opening, debits and credits operations carried out on that account.

We have a constructor here, which accepts 2 arguments i.e. Bank account <em>Owner Name</em> and <em>Account Number</em>. The constructor also sets the values of <em>debits </em>and <em>credits</em> as 0.

The methods <em>addDebit()</em>, <em>addCredit()</em> and <em>getBalance()</em> help to perform Debit and Credit operations on the account.

NOTE: The method <em>getBalance()</em> returns a positive value only when credits are greater than debits.

The method <em>addDebits()</em> can add debits only as the condition that the credits are greater than the resultant debits.

The code for class <em>BankAccounts</em> is hereby attached.

Download java
4 0
3 years ago
•What are some conflicts between humans and machines that have arisen in the past?
slamgirl [31]
I think that people have lost their jobs because of an increase of computers. Also, a<span>utomobiles can crash and injure and kill people. </span><span>Ships can be sunk. </span><span>Poorly constructed or maintained machinery can harm the workers. </span><span>The telegraph put the pony express out of business. </span><span>Many factories pollute the water and air. </span>
7 0
3 years ago
What are the side effects of overclocking?
Oksana_A [137]

Answer:

Reduced processor lifespan, reduced fan cooler performance over time, bugs.

Explanation:

The reason is that when you overclock your processor you are increasing its base speeds in GHZ. The processor was designed to work at a determined speed, let's say 3.00 ghz. If you increase this speed to 4.00 ghz, it's not just that now it's working faster, it also draws more power from your power supply, and increases the heat that the chip is taking. Processors are designed to endure high temperatures, therefore, you will likely not see any damaged in short term, but your components life span will be severely reduced, also depending on how much you overclock the processor, and the stability of your system, you can see bugs, unexpected restarts, and strange behavior of the computer. As an example, the i5 4670k runs at 3.80 stock speed, it can reach 50 / 65 degrees under full load. If you raise the speed up to 4.5ghz it will reach 70/80 degrees, depending on your ambient temperature and other factors.

6 0
2 years ago
What is the purpose of the Format Painter?
Oduvanchick [21]

Answer:

changes the formatting to be exact from what is copied to what should be

Explanation:

It happens to be the feature of the MS word that is applied to a style from one section of the document to another section. We first highlight the text with the thought of style like size, font, etc., and then click the format painter. The text that is highlighted next, gets transformed into the thought of style. And hence, the above option is correct.

5 0
3 years ago
Other questions:
  • Complete the paragraph to explain how Angelina can notify readers that her report is just a draft. Angelina has decided to add t
    12·2 answers
  • Discuss how and why video game hardware affects game design and where you think the next generation of platforms will change tho
    9·1 answer
  • Tanya is entering the amount of money she has earned from babysitting onto an Excel spreadsheet, but the AutoComplete feature is
    7·1 answer
  • Modify the program so the output is: Annual pay is 40000 Note: Whitespace (blank spaces / blank lines) matters; make sure your w
    9·1 answer
  • Help me match these answers
    5·1 answer
  • Your desktop, internet explorer, and the media player can be started from this area on most computers
    9·1 answer
  • Which is a common problem for inserting pictures into placeholders?
    10·1 answer
  • What might a designer need to consider when choosing an appropriate energy source for products and power systems
    15·1 answer
  • Write a python program that will read a number (num) and display all the numbers divisible by 3 or 5
    15·1 answer
  • You can easily merge files even if each file contains a different record layout. Group of answer choices True False
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!