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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def quick_str_input(prompt, default_value):
 """ Function to display a quick question for text input. **Parameters:** - **prompt:** Text / question to display - **default_value:** Default value for no entry **Returns:** text_type() or default_value. """

        valid = False
        str_val = default_value
        while not valid:
            input_val = raw_input(prompt + "[{0}]: ".format(default_value))

            if input_val == "":
                str_val = default_value
                valid = True
            else:
                try:
                    str_val = text_type(input_val)
                    valid = True

                except ValueError:
                    print("ERROR: must be text.")
                    valid = False

        return str_val