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Write a program that converts Celsius temperatures to Fahrenheit.

The formula is: F = (9 * C) / 5 + 32.

Example:
- Enter a positive temperature in Celsius: 34
Output: 34 Celsius is Fahrenheit: 93
Prompt: Do you want to calculate another (y/n)?

- Enter a positive temperature in Celsius: 0
Output: 0 Celsius is Fahrenheit: 32
Prompt: Do you want to calculate another (y/n)?

- Enter a positive temperature in Celsius: 70
Output: 70 Celsius is Fahrenheit: 158
Prompt: Do you want to calculate another (y/n)?

Answer :

To solve the problem of converting Celsius temperatures to Fahrenheit using a program, we'll write a simple script that repeatedly asks users for a Celsius temperature, performs the conversion to Fahrenheit, and then asks if they want to perform another conversion.

The formula to convert from Celsius to Fahrenheit is given by:

[tex]F = \frac{9}{5} \times C + 32[/tex]

Here's how you can implement it in Python:

# Define a function to convert Celsius to Fahrenheit
def celsius_to_fahrenheit(celsius):
fahrenheit = (9 * celsius) / 5 + 32
return fahrenheit

# Main program loop
while True:
try:
# Input temperature in Celsius
celsius_input = float(input("Enter a positive temperature in Celsius: "))

# Check if the input is positive
if celsius_input < 0:
print("Please enter a positive temperature.")
continue

# Convert Celsius to Fahrenheit
fahrenheit_output = celsius_to_fahrenheit(celsius_input)

# Output the result
print(f"{celsius_input} Celsius is Fahrenheit: {fahrenheit_output}")

# Ask if user wants to calculate another
continue_choice = input("Do you want to calculate another (y/n)? ")
if continue_choice.lower() != 'y':
break
except ValueError:
print("Invalid input. Please enter a numerical value.")

Step-by-Step Explanation:

  1. Function Definition:

    • Define a function celsius_to_fahrenheit that takes a Celsius temperature as input and returns the calculated Fahrenheit temperature.

  2. Main Program Loop:

    • Use a while True loop to continuously prompt the user.

  3. User Input:

    • Prompt the user to enter a Celsius temperature. Convert the input to a float for calculation purposes.
    • Validate that the input is a positive number. If not, prompt the user to enter the temperature again.

  4. Temperature Conversion:

    • Call the function with the user-provided Celsius value to perform the conversion.

  5. Output:

    • Print the converted Fahrenheit value.

  6. Repeat Option:

    • Ask the user if they want to perform another conversion. If the user inputs 'n', end the loop.

This program helps users easily convert Celsius temperatures to Fahrenheit, demonstrating basic programming skills and the use of loops, conditional statements, and functions in Python.

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Rewritten by : Barada

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