dining table seating arrangement questions python

# Python3 implementation of the approach  
  
# Function to return the total count of ways  
def Total_Ways(n) :  
  
    # Find (n - 1) factorial  
    fac = 1;  
    for i in range(2, n) : 
        fac = fac * i;  
          
    # Return (n - 1)! * 2!  
    return (fac * 2);  
  
  
# Driver code  
if __name__ == "__main__" :  
  
    n = 5;  
  
    print(Total_Ways(n));  
  
# This code is contributed by AnkitRai01