Please enter a character: 
Please enter a character: 
The Hamming distance between the two characters is 2
Do you want to continue? (y/n) 
Please enter a character: 
Please enter a character: 
The Hamming distance between the two characters is 2
Do you want to continue? (y/n) 
Please enter a character: 
Please enter a character: 
The Hamming distance between the two characters is 1
Do you want to continue? (y/n) 
Please enter a character: 
Please enter a character: 
The Hamming distance between the two characters is 1
Do you want to continue? (y/n) 
Please enter a character: 
Please enter a character: 
The Hamming distance between the two characters is 4
Do you want to continue? (y/n)