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BMI.py

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from tkinter import *

from tkinter import messagebox

def reset_entry():

age_tf.delete(0,'end')

height_tf.delete(0,'end')

weight_tf.delete(0,'end')

def calculate_bmi():

kg = int(weight_tf.get())

m = int(height_tf.get())/100

bmi = kg/(m*m)

bmi = round(bmi, 1)

bmi_index(bmi)

def bmi_index(bmi):

if bmi < 18.5:

messagebox.showinfo('bmi-pythonguides', f'BMI = {bmi} is Underweight')

elif (bmi > 18.5) and (bmi < 24.9):

messagebox.showinfo('bmi-pythonguides', f'BMI = {bmi} is Normal')

elif (bmi > 24.9) and (bmi < 29.9):

messagebox.showinfo('bmi-pythonguides', f'BMI = {bmi} is Overweight')

elif (bmi > 29.9):

messagebox.showinfo('bmi-pythonguides', f'BMI = {bmi} is Obesity')

else:

messagebox.showerror('bmi-pythonguides', 'something went wrong!')

ws = Tk()

ws.title('BMI')

ws.geometry('400x300')

ws.config(bg='#686e70')

var = IntVar()

frame = Frame(

ws,

padx=10,

pady=10

)

frame.pack(expand=True)

age_lb = Label(

frame,

text="Enter Age (2 - 120)"

)

age_lb.grid(row=1, column=1)

age_tf = Entry(

frame,

)

age_tf.grid(row=1, column=2, pady=5)

gen_lb = Label(

frame,

text='Select Gender'

)

gen_lb.grid(row=2, column=1)

frame2 = Frame(

frame

)

frame2.grid(row=2, column=2, pady=5)

male_rb = Radiobutton(

frame2,

text = 'Male',

variable = var,

value = 1

)

male_rb.pack(side=LEFT)

female_rb = Radiobutton(

frame2,

text = 'Female',

variable = var,

value = 2

)

female_rb.pack(side=RIGHT)

height_lb = Label(

frame,

text="Enter Height (cm) "

)

height_lb.grid(row=3, column=1)

weight_lb = Label(

frame,

text="Enter Weight (kg) ",

)

weight_lb.grid(row=4, column=1)

height_tf = Entry(

frame,

)

height_tf.grid(row=3, column=2, pady=5)

weight_tf = Entry(

frame,

)

weight_tf.grid(row=4, column=2, pady=5)

frame3 = Frame(

frame

)

frame3.grid(row=5, columnspan=3, pady=10)

cal_btn = Button(

frame3,

text='Calculate',

command=calculate_bmi

)

cal_btn.pack(side=LEFT)

reset_btn = Button(

frame3,

text='Reset',

command=reset_entry

)

reset_btn.pack(side=LEFT)

exit_btn = Button(

frame3,

text='Exit',

command=lambda:ws.destroy()

)

exit_btn.pack(side=RIGHT)

ws.mainloop()