print("Hello " + my_name + " how are you?")

#Or you can comma seperate multiple strings and varaibles
print("Hello", my_name, " how are you?")

#Or put variables in the string
print(f"Hello {my_name} how are you?")        #<<<<REMEMBER THE LEADING f !!!!

Clear screen

os.system('clear' if os.name == 'posix' else 'cls')  #Clear screen command for different OS