Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question

Write a while loop that lets the user enter a number. The number should be multiplied
by 10, and the result assigned to a variable named product. The loop should iterate as
long as product is less than 100.

Expert Solution
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Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

I would like for the code in the attached image turned into a flow chart.

Thanks in advance!

```python
import math

def isSquare(n):
    sr = (int) (math.sqrt(n))
    return (sr * sr == n)

def printPrimeAndFib(n):
    prime =[True] * (n + 1)
    p = 2
    while(p * p <= n):
        if (prime[p] == True):
            for i in range(p * 2, n + 1, p):
                prime[i] = False
        p = p + 1
    for i in range(2, n + 1):
        if (prime[i] and (isSquare(5 * i * i + 4) > 0 or isSquare(5 * i * i - 4) > 0)):
            print(i , " ",end="")

n = 233
printPrimeAndFib(n);
```

### Description

This Python script includes functions designed to identify and print numbers that are both prime and Fibonacci up to a given number `n`.

#### Functions

1. **isSquare(n)**
   - Determines if a number `n` is a perfect square.
   - Returns `True` if `n` is a perfect square, otherwise `False`.

2. **printPrimeAndFib(n)**
   - Identifies prime numbers using the Sieve of Eratosthenes.
   - Checks for Fibonacci numbers using the property that a number `x` is a Fibonacci number if one (or both) of `(5*x*x + 4)` or `(5*x*x - 4)` is a perfect square.
   - Prints numbers that are both prime and Fibonacci within the range `2` to `n`.

#### Example
- Sets `n = 233` and calls `printPrimeAndFib(n)` to print all numbers up to 233 that are both prime and Fibonacci.

This script serves as an educational example for applying mathematical properties and concepts to solve a problem involving prime and Fibonacci numbers.
expand button
Transcribed Image Text:```python import math def isSquare(n): sr = (int) (math.sqrt(n)) return (sr * sr == n) def printPrimeAndFib(n): prime =[True] * (n + 1) p = 2 while(p * p <= n): if (prime[p] == True): for i in range(p * 2, n + 1, p): prime[i] = False p = p + 1 for i in range(2, n + 1): if (prime[i] and (isSquare(5 * i * i + 4) > 0 or isSquare(5 * i * i - 4) > 0)): print(i , " ",end="") n = 233 printPrimeAndFib(n); ``` ### Description This Python script includes functions designed to identify and print numbers that are both prime and Fibonacci up to a given number `n`. #### Functions 1. **isSquare(n)** - Determines if a number `n` is a perfect square. - Returns `True` if `n` is a perfect square, otherwise `False`. 2. **printPrimeAndFib(n)** - Identifies prime numbers using the Sieve of Eratosthenes. - Checks for Fibonacci numbers using the property that a number `x` is a Fibonacci number if one (or both) of `(5*x*x + 4)` or `(5*x*x - 4)` is a perfect square. - Prints numbers that are both prime and Fibonacci within the range `2` to `n`. #### Example - Sets `n = 233` and calls `printPrimeAndFib(n)` to print all numbers up to 233 that are both prime and Fibonacci. This script serves as an educational example for applying mathematical properties and concepts to solve a problem involving prime and Fibonacci numbers.
Solution
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Follow-up Question

Design a loop (pick one you would like to use) that lets a user enter a number. Have the program multiply the number by 10. Then, store the result in a variable named ‘sales’. The loop should iterate if the input contains a value less than 100. The program should terminate with a response to the user if the value entered is 100 or greater. Be sure to consider infinite loops to put proper precautions in place. Then, create a flowchart that correlates to your pseudocode.

*Does the flow chart in the attached image describe what is required in the above paragraph?*

START
WHILE condition
(true)
int number
float sales
OUTPUT (ask user to
enter a number)
user's number input
IF
(number < 100), True
False
ELSE IF
(number >= 100),
True
PRINT (value of sales),
11
sales (user's number input x 10)
PRINT (You have entered a
humber greater than or equal to
100)
END
expand button
Transcribed Image Text:START WHILE condition (true) int number float sales OUTPUT (ask user to enter a number) user's number input IF (number < 100), True False ELSE IF (number >= 100), True PRINT (value of sales), 11 sales (user's number input x 10) PRINT (You have entered a humber greater than or equal to 100) END
Solution
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Follow-up Question

Design a loop (pick one you would like to use) that lets a user enter a number. Have the program multiply the number by 10. Then, store the result in a variable named ‘sales’. The loop should iterate if the input contains a value less than 100. The program should terminate with a response to the user if the value entered is 100 or greater. Be sure to consider infinite loops to put proper precautions in place. Then, create a flowchart that correlates to your pseudocode. 

 

Solution
Bartleby Expert
by Bartleby Expert
SEE SOLUTION
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question

I would like for the code in the attached image turned into a flow chart.

Thanks in advance!

```python
import math

def isSquare(n):
    sr = (int) (math.sqrt(n))
    return (sr * sr == n)

def printPrimeAndFib(n):
    prime =[True] * (n + 1)
    p = 2
    while(p * p <= n):
        if (prime[p] == True):
            for i in range(p * 2, n + 1, p):
                prime[i] = False
        p = p + 1
    for i in range(2, n + 1):
        if (prime[i] and (isSquare(5 * i * i + 4) > 0 or isSquare(5 * i * i - 4) > 0)):
            print(i , " ",end="")

n = 233
printPrimeAndFib(n);
```

### Description

This Python script includes functions designed to identify and print numbers that are both prime and Fibonacci up to a given number `n`.

#### Functions

1. **isSquare(n)**
   - Determines if a number `n` is a perfect square.
   - Returns `True` if `n` is a perfect square, otherwise `False`.

2. **printPrimeAndFib(n)**
   - Identifies prime numbers using the Sieve of Eratosthenes.
   - Checks for Fibonacci numbers using the property that a number `x` is a Fibonacci number if one (or both) of `(5*x*x + 4)` or `(5*x*x - 4)` is a perfect square.
   - Prints numbers that are both prime and Fibonacci within the range `2` to `n`.

#### Example
- Sets `n = 233` and calls `printPrimeAndFib(n)` to print all numbers up to 233 that are both prime and Fibonacci.

This script serves as an educational example for applying mathematical properties and concepts to solve a problem involving prime and Fibonacci numbers.
expand button
Transcribed Image Text:```python import math def isSquare(n): sr = (int) (math.sqrt(n)) return (sr * sr == n) def printPrimeAndFib(n): prime =[True] * (n + 1) p = 2 while(p * p <= n): if (prime[p] == True): for i in range(p * 2, n + 1, p): prime[i] = False p = p + 1 for i in range(2, n + 1): if (prime[i] and (isSquare(5 * i * i + 4) > 0 or isSquare(5 * i * i - 4) > 0)): print(i , " ",end="") n = 233 printPrimeAndFib(n); ``` ### Description This Python script includes functions designed to identify and print numbers that are both prime and Fibonacci up to a given number `n`. #### Functions 1. **isSquare(n)** - Determines if a number `n` is a perfect square. - Returns `True` if `n` is a perfect square, otherwise `False`. 2. **printPrimeAndFib(n)** - Identifies prime numbers using the Sieve of Eratosthenes. - Checks for Fibonacci numbers using the property that a number `x` is a Fibonacci number if one (or both) of `(5*x*x + 4)` or `(5*x*x - 4)` is a perfect square. - Prints numbers that are both prime and Fibonacci within the range `2` to `n`. #### Example - Sets `n = 233` and calls `printPrimeAndFib(n)` to print all numbers up to 233 that are both prime and Fibonacci. This script serves as an educational example for applying mathematical properties and concepts to solve a problem involving prime and Fibonacci numbers.
Solution
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by Bartleby Expert
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Follow-up Question

Design a loop (pick one you would like to use) that lets a user enter a number. Have the program multiply the number by 10. Then, store the result in a variable named ‘sales’. The loop should iterate if the input contains a value less than 100. The program should terminate with a response to the user if the value entered is 100 or greater. Be sure to consider infinite loops to put proper precautions in place. Then, create a flowchart that correlates to your pseudocode.

*Does the flow chart in the attached image describe what is required in the above paragraph?*

START
WHILE condition
(true)
int number
float sales
OUTPUT (ask user to
enter a number)
user's number input
IF
(number < 100), True
False
ELSE IF
(number >= 100),
True
PRINT (value of sales),
11
sales (user's number input x 10)
PRINT (You have entered a
humber greater than or equal to
100)
END
expand button
Transcribed Image Text:START WHILE condition (true) int number float sales OUTPUT (ask user to enter a number) user's number input IF (number < 100), True False ELSE IF (number >= 100), True PRINT (value of sales), 11 sales (user's number input x 10) PRINT (You have entered a humber greater than or equal to 100) END
Solution
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SEE SOLUTION
Follow-up Question

Design a loop (pick one you would like to use) that lets a user enter a number. Have the program multiply the number by 10. Then, store the result in a variable named ‘sales’. The loop should iterate if the input contains a value less than 100. The program should terminate with a response to the user if the value entered is 100 or greater. Be sure to consider infinite loops to put proper precautions in place. Then, create a flowchart that correlates to your pseudocode. 

 

Solution
Bartleby Expert
by Bartleby Expert
SEE SOLUTION
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