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Commitc4508bc

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add age calculator tutorial
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‎README.md‎

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@@ -240,5 +240,6 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
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-[How to Build a Spreadsheet App with Tkinter in Python](https://www.thepythoncode.com/article/spreadsheet-app-using-tkinter-in-python). ([code](gui-programming/spreadsheet-app))
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-[How to Make a Rich Text Editor with Tkinter in Python](https://www.thepythoncode.com/article/create-rich-text-editor-with-tkinter-python). ([code](gui-programming/rich-text-editor))
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-[How to Make a Python Code Editor using Tkinter in Python](https://www.thepythoncode.com/article/python-code-editor-using-tkinter-python). ([code](gui-programming/python-code-editor/))
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-[How to Make an Age Calculator in Python](https://www.thepythoncode.com/article/age-calculator-using-tkinter-python). ([code](gui-programming/age-calculator))
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For any feedback, please consider pulling requests.
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#[How to Make an Age Calculator in Python](https://www.thepythoncode.com/article/age-calculator-using-tkinter-python)
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fromdatetimeimportdate
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defcalculate_age(day,month,year):
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# we are getting the current date using the today()
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today=date.today()
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# convering year, month and day into birthdate
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birthdate=date(year,month,day)
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# calculating the age
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age=today.year-birthdate.year- ((today.month,today.day)< (birthdate.month,birthdate.day))
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# return the age value
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returnage
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# the try/except block
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# the try will execute if there are no exceptions
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try:
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# we are getting day, month and year using input() function
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day=input('Enter day:')
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month=input('Enter month:')
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year=input('Enter year:')
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# creating a variable called calculated_age and we are also calling the claculate_age function
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age_result=calculate_age(int(day),int(month),int(year))
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print(f'You are{age_result} years old')
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# the except will catch all errors
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except:
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print(f'Failed to calculate age, either day or month or year is invalid')
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fromtkinterimport*
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fromtkinterimportttk
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fromdatetimeimportdate
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fromtkinter.messageboximportshowerror
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# the function for calculating the age
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defcalculate_age():
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# the try/except block
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try:
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# getting current date
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today=date.today()
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# getting day from the day entry
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day=int(day_entry.get())
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# getting month from the month entry
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month=int(month_entry.get())
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# getting year from the year entry
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year=int(year_entry.get())
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# creating a date object
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birthdate=date(year,month,day)
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# calculating the age
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age=today.year-birthdate.year- ((today.month,today.day)< (birthdate.month,birthdate.day))
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# displaying the age using the age result label
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age_result.config(text='You are '+str(age)+' years old')
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# if an error occurs the showerror window will pop up
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except:
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showerror(title='Error',message='An error occurred while trying to ' \
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'calculate age\nThe following could ' \
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'be the causes:\n->Invalid input data\n->An empty field/fields\n'\
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'Make sure you enter valid data and fill all the fields')
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# creating the main window
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window=Tk()
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# the title for the window
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window.title('Age Calculator')
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# the dimensions and position of the windodw
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window.geometry('500x260+430+300')
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# making the window nonresizabale
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window.resizable(height=FALSE,width=FALSE)
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# the canvas to contain all the widgets
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canvas=Canvas(window,width=500,height=400)
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canvas.pack()
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# ttk styles for the labels
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label_style=ttk.Style()
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label_style.configure('TLabel',foreground='#000000',font=('OCR A Extended',14))
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# ttk styles for the button
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button_style=ttk.Style()
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button_style.configure('TButton',foreground='#000000',font=('DotumChe',16))
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# ttk styles for the entries
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entry_style=ttk.Style()
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entry_style.configure('TEntry',font=('Dotum',15))
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# the label for displaying the big text
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big_label=Label(window,text='AGE CALCULATOR',font=('OCR A Extended',25))
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# placing the big label inside the canvas
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canvas.create_window(245,40,window=big_label)
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# label and entry for the day
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day_label=ttk.Label(window,text='Day:',style='TLabel')
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day_entry=ttk.Entry(window,width=15,style='TEntry')
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# label and entry for the month
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month_label=ttk.Label(window,text='Month:',style='TLabel')
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month_entry=ttk.Entry(window,width=15,style='TEntry')
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# label and entry for the year
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year_label=ttk.Label(window,text='Year:',style='TLabel')
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year_entry=ttk.Entry(window,width=15,style='TEntry')
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# the button
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calculate_button=ttk.Button(window,text='Calculate Age',style='TButton',command=calculate_age)
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# label for display the calculated age
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age_result=ttk.Label(window,text='',style='TLabel')
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# adding the day label and entry inside the canvas
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canvas.create_window(114,100,window=day_label)
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canvas.create_window(130,130,window=day_entry)
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# adding the month label and entry inside the canvas
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canvas.create_window(250,100,window=month_label)
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canvas.create_window(245,130,window=month_entry)
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# adding the year label and entry inside the canvas
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canvas.create_window(350,100,window=year_label)
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canvas.create_window(360,130,window=year_entry)
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# adding the age_result and entry inside the canvas
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canvas.create_window(245,180,window=age_result)
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# adding the calculate button inside the canvas
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canvas.create_window(245,220,window=calculate_button)
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# runs the window infinitely until uses closes it
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window.mainloop()

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