Initial commit

python/_Basics/Python Program to Find Factorial of Number Using Recursion.py

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+# Python program to find the factorial of a number using recursion
+
+def recur_factorial(n):
+   """Function to return the factorial
+   of a number using recursion"""
+   if n == 1:
+       return n
+   else:
+       return n*recur_factorial(n-1)
+
+# Change this value for a different result
+num = 7
+
+# uncomment to take input from the user
+#num = int(input("Enter a number: "))
+
+# check is the number is negative
+if num < 0:
+   print("Sorry, factorial does not exist for negative numbers")
+elif num == 0:
+   print("The factorial of 0 is 1")
+else:
+   print("The factorial of",num,"is",recur_factorial(num))