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  1. # your code goes here
  2. from tkinter import *
  3. from tkinter import messagebox
  4. from tkinter import ttk
  5.  
  6. root = Tk()
  7. root.title("Калькулятор")
  8. #логика калькулятора
  9. def calc(key):
  10.     global memory
  11.     if key== "=":
  12.         #исключаем написание букв
  13.         str1 = "-+0123456789.*/"
  14.         if calc_entry.get()[0] not in str1:
  15.             calc_entry.insert(END, "Символ не число!")
  16.             messagebox.showerror("Ошибка!, Ввели не число!")
  17. #счёт
  18.         try:
  19.             result = eval(calc_entry.get())
  20.             calc_entry.insert(END, "=" + str (result))
  21.         except:
  22.             calc_entry.insert(END, "Ошибка!")
  23.             messagebox.showerror("Перепроверь!")
  24.  
  25. #очистить поле
  26.     elif key == "C":
  27.         calc_entry.delete(0,END)
  28.  
  29. #смена +/-
  30.     elif key == "-\+":
  31.         if "=" in calc_entry.get():
  32.             calc_entry.delete(0,END)
  33.         try:
  34.             if calc_entry.get()[0] == "-":
  35.                 calc_entry.delete(0)
  36.             else:
  37.                 calc_entry.insert(0, "-")
  38.         except IndexError:
  39.             pass
  40.     else:
  41.         if "=" in calc_entry.get():
  42.             calc_entry.delete(0,END)
  43.         calc_entry.insert(END, key)
  44. #кнопки
  45. bttn_list = [
  46.     "7", "8", "9", "+", "-",
  47.     "4", "5", "6", "*", "/",
  48.     "1", "2", "3", "-\+", "=",
  49.     "0", ".", "C"
  50. ]
  51. r = 1
  52. c = 0
  53.  
  54. for i in bttn_list:
  55.     rel = ""
  56.     cmd=lambda x=i: calc(x)
  57.     ttk.Button(root, text=i, command=cmd).grid(row=r, column=c)
  58.     c += 1
  59.     if c>4:
  60.         c=0
  61.         r += 1
  62.  
  63. calc_entry = Entry(root, width =33)
  64. calc_entry.grid(row=0, column = 0, columnspan=5)
  65.  
  66. root.mainloop()
  67.  
  68.  
Runtime error #stdin #stdout #stderr 0.12s 23544KB
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Standard input is empty
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Standard output is empty
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Traceback (most recent call last):
  File "./prog.py", line 2, in <module>
ModuleNotFoundError: No module named 'tkinter'
https://ideone.com/1Bktza
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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