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Introduction to TKinter in Python

GUI= Graphical User Interface

CMD= Command Line Interface

Tkinter :​

Tkinter is the most commonly used library for developing GUI (Graphical User Interface) in Python.

How to install python on windows :

1 To install Python, firstly You need to go official site https://www.python.org/.

2 Then go to Download and click on the latest version.

3 Once the Python distribution download is completed, then double-click on the executable downloaded software, and then click on Run.

4 Click on install and Setup.

5 Once the installation is done, click on the Close button. And now, Python is successfully installed.

🧠 Save Python file .py Extension

To Create Frame​

💻Example :

from tkinter import *
top=Tk()
top.mainloop()

⚙️ Output :

In the above example we are import a tkinter library and in tkinter libray bydefault class are present that isTk() then in that class we can create a one object that is top. The mainloop()is a loop to create a open & close window.

How to set size in window​

Syntax :

top.geometry("widthxheigth")

💻Example :

from tkinter import *
top=Tk()
top.geometry("500x500")
top.mainloop()

⚙️ Output :

In the above example we are import a tkinter library and in tkinter libray bydefault class are present that is Tk() then in that class we can create a one object that is top.Then the top.geometry is increase the size of window & The mainloop()is a loop to create a open & close window.

How to set title in a window​

Syntax :

top.title("Name")

💻Example :

from tkinter import *
top=Tk()
top.geometry("500x500")
top.title("My First GUI App")
top.mainloop()

⚙️ Output :

In the above example we are import a tkinter library and in tkinter libray bydefault class are present that is Tk() then in that class we can create a one object that is top. the top.geometry() is increase the size of window & the top.title()is showing the title of the window. In the next line the mainloop()is a loop to create a open & close window.

  • Label = To dispay information
  • Input box= To take input from user
  • Button= To trigger Some Action

Program :

from tkinter import *
top=Tk()
top.geometry("500x500")
top.title("My First GUI App")

lablell = Label(top,text="Adnission Form").place(x=150,y=50)

lablel2= Label(top,text="Enter Your Name").place(x=100,y = 100)
entryl= Entry(top).place(x=100, y=130)
                                                    
lable13 =Label(top,text="Enter Your Mobile").place(x=100,y = 180)
entry2 = Entry(top).place(x=100,y=210)
                                                       
button = Button(top,text="Submit").place(x=120,y=300)
button = Button(top,text="Cancel").place(x=200,y=300)

top.mainloop()

⚙️ Output :