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Xelga [282]
3 years ago
8

Write a program that accepts three decimal numbers as input and outputs their sum​

Computers and Technology
2 answers:
Sophie [7]3 years ago
6 0

Answer:

sum = 0.0

for i in range(0,3):

   sum += float(input("Enter a decimal number to sum: "))

print ("Sum: ", sum)

*** Sample Input ***

Enter a decimal number to sum: 1.1

Enter a decimal number to sum: 2.2

Enter a decimal number to sum: 3.3

*** Sample Output ***

Sum:  6.6

Explanation:

For this problem, a method was devised in python to create the sum of three individual decimal numbers.

The first line of code, <em>sum = 0.0</em>, initializes a variable to the float type in which we will store the value of our sum.  Note, it is initialized to 0.0 to start from a value of 0 and be considered a float.

The second line of code, <em>for i in range(0,3):</em>  is the creation of a for loop control structure.  This will allow us to repeat a process 3 amount of times using the iterator i, from value 0 to 3 in this case.  Note, 0 is inclusive and 3 is exclusive in the python range.  This means the for loop will iterate with, i=0, i=1, and i=2.

The third line of code, <em>sum += float(input("Enter a decimal number to sum: "))</em>  is simply asking the user for a number, taking that input and converting it from a string into a float, and then summing the value with the previous value of sum and saving that into sum.

The fourth line of code, <em>print ("Sum: ", sum)</em> is simply displaying the final value that was calculated by adding the three user inputs together which were stored into the variable <em>sum</em>.

Cheers.

mina [271]3 years ago
4 0

Answer:

a = float(input("Enter an integer: "))

b = float(input("Enter an integer: "))

c = float(input("Enter an integer: "))

print (a + b + c)

Explanation:

Takes three numbers that user inputs and outputs their sum (of whatever numbers are given.)

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Write a Python program to balance a checkbook. The main function needs to get the initial balance, the amounts of deposits, and
Irina18 [472]

Answer:

def deposit(deposit_amount, balance):

   balance += deposit_amount

   return balance;

def process_check(check_amount, balance):

   balance -= check_amount

   return balance;

balance = float(input("Enter the initial balance: "))

transaction = input("Choose transaction method - D to deposit, C to process check, Q to quit: ")

while transaction != 'Q':

   if transaction == 'D':

       deposit_amount = float(input("Enter amount to be deposited: "))

       balance = deposit(deposit_amount, balance)

       print("Current balance is: " + str(balance))

   elif transaction == 'C':

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       if balance >= check_amount:

           balance = process_check(check_amount, balance)

           print("Current balance is: " + str(balance))

       else:

           print("Not enough money!")

   else:

       print("Invalid input!")

   transaction = input("Choose transaction method - D to deposit, C to process the check, Q to quit: ")

print("Your final balance is: " + str(balance))

Explanation:

- Create functions to handle deposits and checks

- Ask the user for the initial balance and transaction to be made

- Initialize a while loop iterates until the user enter Q

- Ask the deposit amount or check amount depending on the transaction chosen

- Calculate and print the current balance for each transaction

- Print the final balance

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Answer:

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Answer:

Explanation:

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