效果圖

代碼

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from tkinter import * reset=True def buttonCallBack(event): global label global reset num=event.widget[‘text‘] if num==‘C‘: label[‘text‘]="0" return if num in "=": label[‘text‘]=str(eval(label[‘text‘])) reset=True return s=label[‘text‘] if s==‘0‘ or reset==True: s="" reset=False label[‘text‘]=s+num #主窗口 root=Tk() root.wm_title("計算器") #顯示欄1 label=Label(root,text="0",background="white",anchor= "e") label[‘width‘]=35 label[‘height‘]=2 label.grid(row=1,columnspan=4,sticky=W) #按鈕 showText="789/456*123-0.C+" for i in range(4): for j in range(4): b=Button(root,text=showText[i*4+j],width=7) b.grid(row=i+2,column=j) b.bind("<button-1>",buttonCallBack) showText="()" for i in range(2):www.2cto.com b=Button(root,text=showText[i],width=7) b.grid(row=6,column=2+i) b.bind("<button-1>",buttonCallBack) b=Button(root,text="=") b.grid(row=6,columnspan=2,sticky="we") b.bind("<button-1>",buttonCallBack) root.mainloop() </button-1></button-1></button-1>

用python40行代碼編寫的計算器