Exercise 194 || Solution
Write a program that asks the user to type a word and return him its reverse without using any predefined function .
Example if the user enters the word python, the program returns nohtyp to him as shown in the figure below:

Exercise 195 || Solution
Create a graphical application in Python Tkinter that asks the user to enter an integer N and displays them the value of the sum “1 + 2 + … + N” as shown in the figure below:

Exercise 196 || Solution
Write a program in Python that displays a window to the user that asks them to enter an integer N and displays its factorial N !, as shown in the figure below:
Exercise 197 || Solution
Create a graphical application in Python Tkinter that asks the user to enter two integers and displays their sum as shown in the figure below:

Exercise 198 || Solution
Create a graphical application with Python Tkinter which tests whether a given integer is a perfect square or not as shown in the figure below:

Exercise 199 || Solution
Create a Python program using the Tkinter library, which displays a dialog box that ask user to type his name and display a dialog box asking him to enter his name and displays the welcome message followed by his name as shown in the figure below.
Exercise 200 || Solution
Using
the Tkinter Python library, write a Python program that displays a
dialog box asking the user to enter an integer and return its double:
Exercise 201 || Solution
- Write a program in Python that lists all divisors of a given integer N.
- Create a program in Python that which a Tkinter window asking the user to enter an integer N and returns all the divisors of N.

Exercise 202 || Solution
Create a Tkinter GUI interface, which calculates the greatest common divisor GCD and the least common multiple LCM graphically as shown in the figure below:
Exercise 203
Using the Tkinter Python library, write a Python program that displays a dialog asking the user to enter their name and their age and return the message as showing in the figure below:
– Hello followed by his name
– You are major ! age if the age entered is > = 18
– You are minor ! if the age entered is > 18

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