Vista previa 6 fuera de 39 páginas
Vista previa 6 fuera de 39 páginas
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Por: zuleighhhhha • 2 año hace
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These notes were an absolute lifesaver! Set out really well and very comprehensive, covered every topic of the course and helped me understand everything
Algunos ejemplos de esta serie de preguntas de práctica
1.
What is an algorithm?
Respuesta: An algorithm is a set of steps to accomplish a task.
2.
Algorithms must be precise so that they are: A. Ambiguous B. Can be executed by different people C. Repeatable D. Have a predictable outcome (write down all that are correct)
Respuesta: B, C, D
3.
A function _________. A. must always have a return statement to return a value B. may have no parameters C. must have at least one parameter D. must always have a return statement to return multiple values
Respuesta: B
4.
Does the function call in the following function cause syntax errors? import math def main(): math.sin(math.pi) main()
Respuesta: No
5.
Which of the following should be defined as a non return function? A. Write a function that returns a random integer from 1 to 100. B. Write a function that prints integers from 1 to 100. C. Write a function that checks whether a number is from 1 to 100. D. Write a function that converts an uppercase letter to lowercase.
Respuesta: B
6.
Consider the following incomplete code: def f(number): # Missing function body print(f(5)) The missing function body should be ________. A. print(\"number\") B. return number C. print(number) D. return \"number\"
Respuesta: B
7.
Given the following function header: def f(p1, p2, p3, p4) Which of the following are correct to invoke it? A. f(p1 = 1, p2 = 2, p3 = 3, 4) B. f(p1 = 1, 2, 3, 4) C. f(1, 2, 3, 4) D. f(p1 = 1, p2 = 2, p3 = 3, p4 = 4)
Respuesta: C, D
8.
Given the following function: def nPrint(message, n): while n > 0: print(message) n -= 1 What will be displayed by the call nPrint(\'a\', 4)? A. aaaa B. aaa C. infinite loop D. aaaaa
Respuesta: A
9.
A variable defined inside a function is referred to as __________. A. a global variable B. a local variable C. a block variable D. a function variable
Respuesta: B
10.
What will be displayed by the following code? x = 1 def f1(): y = x + 2 print(y) f1() print(x) A. 3 1 B. 1 3 C. The program has a runtime error because x is not defined. D. 1 1
Respuesta: A
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