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  1. from tkinter import *
  2. import re
  3. def c10to2(x):
  4.     if re.match(r'\d+\b',x):
  5.         s = ''
  6.         x = int(x)
  7.         while x >=1:
  8.             s+=str(x%2)
  9.             x//=2
  10.         return s[::-1]
  11.     else:
  12.         return 'ERROR'
  13. def c2to10(x):
  14.     if re.match(r'[01]+\b',x):
  15.         x = str(x)
  16.         y = 0
  17.         n = len(x)-1
  18.         for i in x:
  19.             y+=int(i)*(2**n)
  20.             n-=1
  21.         return y
  22.     return 'ERROR'
  23. def etake(e):
  24.     number = my_number.get()
  25.     x = my_sys.get()
  26.     y = target_sys.get()
  27.     if x == '10' and y == '2':
  28.         my_solve.delete(0,END)
  29.         my_solve.insert(END,c10to2(number))
  30.     elif x == '2' and y == '10':
  31.         my_solve.delete(0,END)
  32.         my_solve.insert(END,c2to10(number))
  33.     else:
  34.         return 'ERROR'
  35.  
  36. w = Tk()
  37. w.title('Системы счисления')
  38. w.geometry('280x145')
  39. w.resizable(0,0)
  40. first_text = Label(w,text='Перевести из ',font=14)
  41. second_text = Label(w,text='в',font=14)
  42. my_sys = Entry(w,width=3)
  43. target_sys = Entry(w,width=3)
  44. my_number=Entry(w,width=16)
  45. my_solve=Entry(w,width=16)
  46. b = Button(w,text='Go!',bg='pink',height=2,width=5,command=lambda event='<Button-1>': etake('<Button-1>')) # Теперь результат выдаётся как по нажатию на кнопку "Go", так и...
  47. my_number.bind('<Return>',etake) # ... по простому нажатию на Enter
  48.  
  49. first_text.place(x=6,y=10)
  50. my_sys.place(x=115,y=10)
  51. second_text.place(x=140,y=10)
  52. target_sys.place(x=165,y=10)
  53. my_number.place(x=6, y=70)
  54. b.place(x=115,y=65)
  55. my_solve.place(x=170,y=70)
  56.  
  57. w.mainloop()
Runtime error #stdin #stdout #stderr 0.04s 25664KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Traceback (most recent call last):
  File "./prog.py", line 36, in <module>
  File "/usr/lib/python3.4/tkinter/__init__.py", line 1854, in __init__
    self.tk = _tkinter.create(screenName, baseName, className, interactive, wantobjects, useTk, sync, use)
_tkinter.TclError: no display name and no $DISPLAY environment variable
https://ideone.com/t9DfoS
language:
Python 3 (python  3.9.5)
created:
9 years ago
visibility:
public

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