假設上衣300元、褲子350元與背心400元，使用者可以自行輸入三種服裝的數量，請設計一個程式計算訂購服裝的總金額。
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哈寫了快 99.9% 的程式給你 ... 你看不懂就沒辦法了
如果交上去老師問這是啥 ... 你要如何回答 ?
不會寫但是要會 google .....
https://www.javatpoint.com/python-tkinter-entry
import tkinter as tk
from functools import partial
def call_result(label_result, n1, n2, n3):
num1 = (n1.get())
num2 = (n2.get())
num3 = (n3.get())
result = int(num1)+int(num2)+int(num3)
label_result.config(text="Result = %d" % result)
return
root = tk.Tk()
root.geometry('400x200+100+200')
root.title('Calculator')
number1 = tk.StringVar()
number2 = tk.StringVar()
number3 = tk.StringVar()
labelNum1 = tk.Label(root, text="A").grid(row=1, column=0)
labelNum2 = tk.Label(root, text="B").grid(row=2, column=0)
labelNum3 = tk.Label(root, text="C").grid(row=3, column=0)
labelResult = tk.Label(root)
labelResult.grid(row=7, column=2)
entryNum1 = tk.Entry(root, textvariable=number1).grid(row=1, column=2)
entryNum2 = tk.Entry(root, textvariable=number2).grid(row=2, column=2)
entryNum3 = tk.Entry(root, textvariable=number3).grid(row=3, column=2)
call_result = partial(call_result, labelResult, number1, number2, number3)
buttonCal = tk.Button(root, text="Calculate", command=call_result).grid(row=4, column=0)
root.mainloop()
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