Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Write a function argument_count that accepts an integer i, followed by any number of additional arguments.
The function should returnTrue if the value given to i is equal to the number of arguments that follows it, and should return False otherwise.
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- The rules that apply to functions that have default arguments should be described.arrow_forwardWrite a function called factorial that computes the factorial of a given number x passed in as an argument. By default it returns the factorial of 6, which is 720. It also takes a optional boolean argument called 'to_print'. If to_print is True, the factorial value is printed instead of being returned. It is False by default, meaning the result is returned, not printed. >>> result = factorial()>>> print(result)Output: 720>>> result = factorial(to_print = True)Output: 720>>> print(result) Output: # no output>>> result = factorial(4)>>> print(result) Output: 24>>> factorial(4, to_print = True)Output: 24>>> print(result) Output:arrow_forwardWhich statement of the following is the most appropriate? Group of answer choices One good method for specifying what a function is supposed to do is to provide a precondition and postcondition for the function. One good method for specifying what a function is supposed to do is to provide a precondition and postcondition for the function. These form a contract between the programmer who uses the function and the programmer who writes the function. Using the assert function to check preconditions can significantly reduce debugging time, and the assertion-checking can later be turned off if program speed is a consideration. One good method for specifying what a function is supposed to do is to provide a precondition and postcondition for the function. These form a contract between the programmer who uses the function and the programmer who writes the function. Using the assert function to check preconditions can significantly reduce debugging time, and the...arrow_forward
- What value will be returned by the function if a = 8, b=12? %3D int func(int a, int b){ if(a>b){ return a+b; } else if(aarrow_forwardWhen a function accepts several arguments, how important is it what order those arguments are sent in?arrow_forwardWhen calling a function that takes many arguments, it is necessary to determine whether or not the order in which parameters are supplied makes a difference.arrow_forwardExplain how inline functions differ from normal functions when called in the background.arrow_forwardCalling a function and defining a function mean the same thing True or Falsearrow_forwardComplete the following TODO by defining a function called add_func(). Define a function called add_func() that takes two arguments. The function should adds the two arguments together using + and return the output. For example, if the input values for the arguments are 1 and 2, then 3 should be returned. Likewise, if the input arguments are "good" and " day", then "good day" should be returned. # TODO print(f"add_func output for 1 + 2: {add_func(1, 2)}") print(f"add_func output for good + day: {add_func('good',' day')}") todo_check([ (add_func(1,2) == 3,'add_func() did not return 3 when using input values 1 and 2.'), (add_func('good',' day') == "good day",'add_func() did not return "good day" when using input values "good" and " day"') ])arrow_forwardarrow_back_iosarrow_forward_ios
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