Question

Programming Exercise 8.3 | Instructions Write a GUI-based program that allows the user to convert temperature values between degrees Fahrenheit and degrees Celsius. The interface should have labeled entry fields for these two values. breezypythongui.py temperatureconvert... + 1 2 File: temperatureconverter.py 3 Project 8.3 4 Temperature conversion between Fahrenheit and Celsius. 5 Illustrates the use of numeric data fields. 6 • These components should be arranged in a grid where the labels occupy the first row and the corresponding fields occupy the second row. • At start-up, the Fahrenheit field should contain 32.0, and the Celsius field should contain 0.0. • The third row in the window contains two command buttons, labeled >>>> and <<<< • When the user presses the first button, the program should use the data in the Celsius field to compute the Fahrenheit value, which should then be output to the Fahrenheit field. 7 8 from breezypythongui import Easy Frame 9 10 class Temperatureconverter (EasyFrame): 11 A termperature conversion program.' 12 13 def __init__(self): 14 Sets up the window and widgets." 15 EasyFrame. _init_(self, title = "Temperature Converter") 16 17 # self.addLabel (Label for Celsius) 18 # self.celsiusfield (Celsius field) 19 # self.addLabel (Label for Fahrenheit) 2e # self.fahrField (Fahrenheit field) 21 # self.addButton (Celsius button) 22 # self.addButton (Fahrenheit button) 23 24 # The controller methods 25 def computeFahr(self): 26 Inputs the Celsius degrees 27 and outputs the Fahrenheit degrees. *** 28 • The second button should perform the inverse function. Be sure to use the field names provided in the comments in your starter code. An example of the program is shown below: 29 30 Temperature Converter 31 def computeCelsius (self): "Inputs the Fahrenheit degrees and outputs the Celsius degrees." 1 IF Celsius Fahrenheit 32 33 0.0 32.0 >>>> <<<< Grading 34 35 def main(): 36 Instantiate and pop up the window." 37 TemperatureConverter().mainloop 38 39 if -_name__ == "_main__": 40 try: 41 while True: 42 main 43 except KeyboardInterrupt: 44 print("\nProgram closed.") 45 When you have completed your program, click the Submit button to record your score.

Answer 1

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• I changed statements in if __name__=="__main__" . if you think mine is wrong, please use yours.
• Make sure spellings are correct for class names, methods, labels.
• Please refer to the screenshot of the code to understand the indentation of the code
• I used comments for better understanding. Comments starts with symbol '#'
• If you want me to add/change anything, Please let me know by commenting.

Language : Python

IDE : Python IDLE

:::::::::::::::::::::::::::::::::::::::::::: CODE ::::::::::::::::::::::::::::::::::::::::

from breezypythongui import EasyFrame

class TemperatureConverter(EasyFrame):

    def __init__(self):

        EasyFrame.__init__(self,title="Temperature Converter")

        # add celsius label and field of one floating point precision

        self.addLabel(text = "Celsius",row = 1, column = 0)

        self.celsius = self.addFloatField(value=0.0,row=2,column=0,precision=1)

        # add fahrenheit label and field of one floating point precision

        self.addLabel(text = "Fahrenheit",row = 1, column = 1)

        self.fahrenheit = self.addFloatField(value=32.0,row=2,column=1,precision=1)

        # add button for celius to fahrenheit with command computefahr

        self.addButton(text=">>>>",row=3,column=0,command=self.computeFahr)

        # add button for fahrenheit to celius with command computeCelsius

        self.addButton(text="<<<<",row=3,column=1,command=self.computeCelsius)

    def computeFahr(self):

        # get celsius value and compute fahrenheit and set to fahrenheit field

        c = self.celsius.getNumber()

        f = (c*9/5)+32

        self.fahrenheit.setNumber(f)

    def computeCelsius(self):

        # get fahrenheit value and compute celsius and set to celsius field

        f = self.fahrenheit.getNumber()

        c = (f-32.0)*(5/9)

        self.celsius.setNumber(c)

def main():

    t = TemperatureConverter()

    t.mainloop()

if __name__=="__main__":

    main()

:::::::::::::::::::::::::::::::::::::: GUI ::::::::::::::::::::::::::::::::::

Starting

Temperature Conv... Celsius Fahrenheit 0.0 32.0

Fahrenheit to Celsius

Temperature Conv... х Celsius Fahrenheit 37.8 100 >>>>

Celsius to Fahrenheit

Temperature Conv... х Celsius Fahrenheit 200 392.0

:::::::::::::::::::::::::::::::::::::: CODE in EDITOR ::::::::::::::::::::::::::::::::::

= le termperature converter.py - C:\Users\PREMKUMAR\Downloads\termperature converter.py (3.8.4) Eile Edit Format Run Options Window Help from breezypythongui import EasyFrame class TemperatureConverter (EasyFrame) : def init (self): EasyFrame. __init (self, title="Temperature Converter") # add celsius label and field of one floating point precision self.addLabel (text "Celsius", row = 1, column = 0) self.celsius = self.addFloatField (value=0.0, row=2, column=0, precision=1) # add fahrenheit label and field of one floating point precision self.addLabel (text "Fahrenheit", row = 1, column = 1) self. fahrenheit self.addFloatField(value=32.0, row=2, column=1, precision=1) # add button for celius to fahrenheit with command computefahr self.addButton (text=">>>>", row=3, column=0, command=self.computeFahr) # add button for fahrenheit to celius with command computeCelsius self.addButton (text="<<<<", row=3, column=1, command=self.computeCelsius) = = def compute Fahr (self): # get celsius value and compute fahrenheit and set to fahrenheit field c = self.celsius.getNumber() f = (c*9/5) +32 self. fahrenheit.setNumber(f) def computeCelsius (self): # get fahrenheit value and compute celsius and set to celsius field f self. fahrenheit.getNumber() C = (f-32.0) * (5/9) self.celsius.setNumber (c) def main() : t = TemperatureConverter() t.mainloop() if TI main T! name main()

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