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weqwewe [10]
3 years ago
15

You are a librarian! Ask the user for the last names of the authors of the five books they are returning. Print a list of those

names in sorted order.
Here’s what an example run of your program might look like:

Name: Angelou
Name: Adichie
Name: Wolff
Name: Alexie
Name: Ansari
['Adichie', 'Alexie', 'Angelou', 'Ansari', 'Wolff']
Computers and Technology
1 answer:
koban [17]3 years ago
8 0

//Program

====================

librarian1.py

==============

# make a empty list to add user input names

lst = []

for i in range(5):

   # take input from the user  

   auth = input("Name: ")

   # append user input name into the list

   lst.append(auth)

# sort the list

lst.sort()

# print the list

print(lst)

==============================================

//Output

 

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3 years ago
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Plsss help me<br>give two examples of problems that can occur when sytems do not work properly​
melomori [17]

Answer:

Explanation:

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Hope this helps

6 0
3 years ago
Write a Python 3 program to read from a .csv file containing rates from power companies. Your program should determine the avera
aliya0001 [1]

Answer:

In python:

file = open("rates.csv", "r")

ratecount = 0

ratesum = 0

mylist = []

rates = file.readlines()

for nums in rates:

     num = nums.rstrip('\n')

     mylist.append(int(num))

     for i in num:

           ratesum= ratesum + int(i)

           ratecount = ratecount + 1

print("Maximum Rate: "+str(max(mylist)))

print("Minimum Rate: "+str(min(mylist)))

print("Average Rate: "+str(ratesum/ratecount))

Explanation:

This opens the csv file

file = open("rates.csv", "r")

This initializes the number of rates in the file

ratecount = 0

This initializes the sum of the rates

ratesum = 0

This initializes an empty list

mylist = []

This reads the rates into lines

rates = file.readlines()

This iterates through the rates (as a string)

for nums in rates:

This removes the newline character \n in the rates

     num = nums.rstrip('\n')

This appends the rates (as an integer) to the empty list

     mylist.append(int(num))

The following counts the rates in the file and also sum them up

<em>      for i in num: </em>

<em>            ratesum= ratesum + int(i) </em>

<em>            ratecount = ratecount + 1 </em>

This prints the maximum of the rates

print("Maximum Rate: "+str(max(mylist)))

This prints the minimum of the rates

print("Minimum Rate: "+str(min(mylist)))

This calculates and prints the average rate

print("Average Rate: "+str(ratesum/ratecount))

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Answer:

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Answer: D.

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