def factorial(num):
# Every recursive function must contain a condition
# when it ceases to call itself
if num <= 1:
return 1
else:
result = num * factorial(num - 1)
return result
# when it ceases to call itself
if num <= 1:
return 1
else:
result = num * factorial(num - 1)
return result
# 1st : result = 4 * factorial(3) = 4 * 6 = 24
# 2nd : result = 3 * factorial(2) = 3 * 2 = 6
# 3rd : result = 2 * factorial(1) = 2 * 1 = 2
# ——— MODULES ———
import myfunc
print(myfunc.factorial(4))
# OR
from myfunc import factorial
print(factorial(4))
# ——— GUI DEVELOPMENT WITH TKINTER ———
from tkinter import *
from tkinter import ttk
class Calculator:
# Stores the current value to display in the entry