Python Institute PCAP PCAP Questions & Answers

• Question 1:

  Assuming that the code below has been placed inside a file named code.py and executed successfully, which of the following expressions evaluate to True? (Choose two.)

  

  A. ClassA.__module__ == `__main__'

  B. __name__ == `__main__'

  C. str(Object) == `Object'

  D. len(ClassB.__bases__) == 2

  Correct Answer: AC

• Question 2:

  Assuming that the snippet below has been executed successfully, which of the following expressions evaluate to True? (Choose two.)

  string = `SKY'[::-1] string = string[-1]

  A. string[0] == `Y'

  B. string[0] == string [-1]

  C. string is None

  D. len(string) == 1

  Correct Answer: BC

• Question 3:

  Which of the following invocations are valid? (Choose two.)

  A. sort("python")

  B. "python".find("")

  C. "python".rindex("th")

  D. `python'.sorted()

  Correct Answer: BC

• Question 4:

  What is the expected output of the following snippet?

  

  A. True lower

  B. True upper

  C. False upper

  D. False lower

  Correct Answer: B

• Question 5:

  Which of the following expressions evaluate to True? (Choose two.)

  A. `in' in `Thames'

  B. `in' in `in'

  C. `in not' in `not'

  D. `t'.upper() in `Thames'

  Correct Answer: BD

• Question 6:

  What is the expected behavior of the following code?

  

  A. it outputs 2

  B. it raises an exception

  C. it outputs 1

  D. it outputs 0

  Correct Answer: C

• Question 7:

  What is the expected behavior of the following code?

  

  A. it outputs 0

  B. the code is erroneous and it will not execute

  C. it outputs 1

  D. it outputs 2

  Correct Answer: D

• Question 8:

  Assuming that the following inheritance set is in force, which of the following classes are declared properly? (Choose two.)

  

  A. class Class_3(A,C): pass

  B. class Class_4(C,B): pass

  C. class Class_1(D): pass

  D. class Class_2(A,B): pass

  Correct Answer: CD

• Question 9:

  What is the expected behavior of the following code?

  

  A. 4

  B. 3

  C. an exception is raised

  D. 5

  Correct Answer: D

• Question 10:

  What is true about Python class constructors? (Choose two.)

  A. there can be only one constructor in a Python class

  B. the constructor cannot be invoked directly under any circumstances

  C. the constructor cannot return a result other than None

  D. the constructor's first parameter must always be named self

  Correct Answer: BD