entry.insert(END, '出错，如何解决？（相关搜索：python代码|计算器）

Question

from tkinter import *
from functools import partial
from calculate import *
def buju(root):
    label = Label(root, width=36, height=1, bd=5, bg='white', anchor='se', textvariable=label_text)
    label.grid(row=0, columnspan=5)
    entry = Entry(root, width=23, bd=5, bg='white', justify="right", font=('微软雅黑', 12))
    entry.grid(row=1, column=0, columnspan=5, sticky=N + W + S + E, padx=5, pady=5)
    myButton = partial(Button, root, width=5, cursor='hand2', activebackground='#90EE90')
    button_sin = myButton(text='sin', command=lambda: get_input(entry, 'sin('))
    button_arcsin = myButton(text='arcsin', command=lambda: get_input(entry, 'arcsin('))
    button_exp = myButton(text='e', command=lambda: get_input(entry, 'e'))
    button_ln = myButton(text='ln', command=lambda: get_input(entry, 'ln('))
    button_xy = myButton(text='x^y', command=lambda: get_input(entry, '^'))
    button_sin.grid(row=2, column=0)
    button_arcsin.grid(row=2, column=1)
    button_exp.grid(row=2, column=2)
    button_ln.grid(row=2, column=3)
    button_xy.grid(row=2, column=4)
    button_shanyige = myButton(text='←', command=lambda: backspace(entry))
    button_shanquanbu = myButton(text=' C ', command=lambda: clear(entry))
    button_zuokuohao = myButton(text='(', command=lambda: get_input(entry, '('))
    button_youkuohao = myButton(text=')', command=lambda: get_input(entry, ')'))
    button_genhao = myButton(text='√x', command=lambda: get_input(entry, '√('))
    button_shanyige.grid(row=3, column=0)
    button_shanquanbu.grid(row=3, column=1)
    button_zuokuohao.grid(row=3, column=2)
    button_youkuohao.grid(row=3, column=3)
    button_genhao.grid(row=3, column=4)
    button_7 = myButton(text=' 7 ', command=lambda: get_input(entry, '7'))
    button_8 = myButton(text=' 8 ', command=lambda: get_input(entry, '8'))
    button_9 = myButton(text=' 9 ', command=lambda: get_input(entry, '9'))
    button_chu = myButton(text=' / ', command=lambda: get_input(entry, '/'))
    button_yu = myButton(text='%', command=lambda: get_input(entry, '%'))
    button_7.grid(row=4, column=0)
    button_8.grid(row=4, column=1)
    button_9.grid(row=4, column=2)
    button_chu.grid(row=4, column=3)
    button_yu.grid(row=4, column=4)
    button_4 = myButton(text=' 4 ', command=lambda: get_input(entry, '4'))
    button_5 = myButton(text=' 5 ', command=lambda: get_input(entry, '5'))
    button_6 = myButton(text=' 6 ', command=lambda: get_input(entry, '6'))
    button_cheng = myButton(text=' * ', command=lambda: get_input(entry, '*'))
    button_4.grid(row=5, column=0)
    button_5.grid(row=5, column=1)
    button_6.grid(row=5, column=2)
    button_cheng.grid(row=5, column=3)
    button_1 = myButton(text=' 1 ', command=lambda: get_input(entry, '1'))
    button_2 = myButton(text=' 2 ', command=lambda: get_input(entry, '2'))
    button_3 = myButton(text=' 3 ', command=lambda: get_input(entry, '3'))
    button_jian = myButton(text=' - ', command=lambda: get_input(entry, '-'))
    button_dengyu = myButton(text=' \n = \n ', command=lambda: calculator(entry))
    button_1.grid(row=6, column=0)
    button_2.grid(row=6, column=1)
    button_3.grid(row=6, column=2)
    button_jian.grid(row=6, column=3)
    button_dengyu.grid(row=6, column=4, rowspan=2)
    button_pai = myButton(text=' π ', command=lambda: get_input(entry, 'π'))
    button_0 = myButton(text=' 0 ', command=lambda: get_input(entry, '0'))
    button_xiaoshudian = myButton(text=' . ', command=lambda: get_input(entry, '.'))
    button_jia = myButton(text=' + ', command=lambda: get_input(entry, '+'))
    button_pai.grid(row=7, column=0)
    button_0.grid(row=7, column=1)
    button_xiaoshudian.grid(row=7, column=2)
    button_jia.grid(row=7, column=3)
def backspace(entry):
    entry.delete(len(entry.get()) - 1)
def clear(entry):
    entry.delete(0, END)
    label_text.set('')
def get_input(entry, argu):
    formula = entry.get()
    for char in formula:
        if '\u4e00' <= char <= '\u9fa5':
            clear(entry)
    entry.insert(INSERT, argu)
def calculator(entry):
    try:
        formula = entry.get()
        if re.match('-?[\d+,π,e]\.?\d*$', formula):
            label_text.set(''.join(formula + '='))
            return

        result = final_calc(formula_format(formula))
        clear(entry)
        entry.insert(END, result)
        label_text.set(''.join(formula + '='))
    except:
        clear(entry)
        entry.insert(END, '出错')

if __name__ == '__main__':
    root = Tk()
    root.title('作业')
    root.resizable(0, 0)
    global label_text
    label_text = StringVar()
    buju(root)
    root.mainloop()

辛苦各位帮我看看，，这个是用python代码写的计算器，为什么我运行起来一点击等号不会显示计算结果啊，程序有什么问题嘛

Answer 1

1.首先应该检查下你的calculator函数的正则语句是不是会返回正确的结果，可以在if re.match('-?[\d+,π,e].?\d*$', formula):这句前面使用print(re.match('-?[\d+,π,e].?\d*$', formula))输出看看。
2.检查final_calc和formula_format是否有问题，也可以用print方法调试
3.去掉calculator函数中的try和except语句，看看返回有什么错误