tkinter语法错误

怎么回事，求帮助，就是我在编写一个计算器，tkinter遇到错误

一般是前一行少了一个括号), 在前一行的末尾添加一个括号)即可。
若有帮助, 点一个"采纳"不谢。

其他问题你自己改了，记得采纳

from tkinter import *


def Mysel():
    dic = {0: 0, 1: 1, 2: 2, 3: 3}
    texd = dic.get(var.get())
    return (texd)

h=0
def ko():
    global h
    def ok(mk, num11, num22, h):
        if (mk == "+"):
            h = num11 + num22
        if (mk == "-"):
            h = num11 - num22
        if (mk == "x"):
            h = num11 * num22
        if (mk == "/"):
            h = num11 / num22
        return (h)

    texd = Mysel()
    if (texd == 0):
        root.destroy()
        root1 = Tk()
        root1.geometry('300x300')
        root1.title("加法运算")

        num1 = Entry(root1, bd=5, width=50)
        num1.place(x=100, y=50)

        qwe = Label(root1, text="+")
        qwe.place(x=150, y=50)

        num2 = Entry(root1, bd=5, width=50)
        num2.place(x=200, y=50)

        ok1 = Button(root1, text="ok", bg="white", command=lambda: ok("+", num1.get(), num2.get(), h))
        ok1.place(x=125, y=100)

        mio = Label(root1, text=h)
        mio.place(x=150, y=150)
        root1.mainloop()
    if (texd == 1):
        root.destroy()
        root1 = Tk()
        root1.geometry('300x300')
        root1.title("减法运算")

        num1 = Entry(root1, bd=5, width=50)
        num1.place(x=100, y=50)

        qwe = Label(root1, text="-")
        qwe.place(x=150, y=50)

        num2 = Entry(root1, bd=5, width=50)
        num2.place(x=200, y=50)

        ok1 = Button(root1, text="ok", bg="white", command=lambda: ok("-", num1.get(), num2.get(), h))

        ok1.place(x=125, rely=100)

        mio = Label(root1, text=h)
        mio.place(x=150, y=150)
        root1.mainloop()
    if (texd == 2):
        root.destroy()
        root1 = Tk()
        root1.geometry('300x300')
        root1.title("乘法运算")

        num1 = Entry(root1, bd=5, width=50)
        num1.place(x=100, y=50)

        qwe = Label(root1, text="×")
        qwe.place(x=150, y=50)

        num2 = Entry(root1, bd=5, width=50)
        num2.place(x=200, y=50)

        ok1 = Button(root1, text="ok", bg="white", command=lambda: ok("x", num1.get(), num2.get(), h))
        ok1.place(x=125, y=100)
        # xxxxxxxxxxxx>

        mio = Label(root1, text=h)
        mio.place(x=150, y=150)
        root1.mainloop()
    if (texd == 3):
        root.destroy()
        root1 = Tk()
        root1.geometry('300x300')
        root1.title("除法运算")

        num1 = Entry(root1, bd=5, width=50)
        num1.place(x=100, y=50)

        qwe = Label(root1, text="÷")
        qwe.place(x=150, y=50)

        num2 = Entry(root1, bd=5, width=50)
        num2.place(x=200, y=50)

        ok1 = Button(root1, text="ok", bg="white", command=lambda: ok("/", num1.get(), num2.get(), h))
        ok1.place(x=125, y=100)

        mio = Label(root1, text=h)
        mio.place(x=150, y=150)
        root1.mainloop()


root = Tk()
root.title('计算器')

var = IntVar()
rd1 = Radiobutton(root, text="+", variable=var, value=0, command=Mysel)
rd1.pack()

rd2 = Radiobutton(root, text="-", variable=var, value=1, command=Mysel)
rd2.pack()

rd3 = Radiobutton(root, text="x", variable=var, value=2, command=Mysel)
rd3.pack()

rd3 = Radiobutton(root, text="/", variable=var, value=3, command=Mysel)
rd3.pack()

ok = Button(root, text="ok", bg="white", command=ko)
ok.pack()

root.mainloop()

建议你看下这篇博客Tkinter使用教程（一）