input: Write a function to store the strings "Hello" and "World" and print them in the same line. If the strings are not provided, the function should print "No input provided".
  
  assert store_and_print_strings("Hello", "World")==None
  assert store_and_print_strings("Hello", "World")==None
  assert store_and_print_strings("No", "Input")==None
  assert store_and_print_strings("Test", "Case")==None
  assert store_and_print_strings("", "")==None
output: def store_and_print_strings(str1="", str2=""):
      if str1 == "" and str2 == "":
          print("No input provided")
      else:
          print(str1 + " " + str2)