Python Institute PCAP-31-03 Exam Questions Free Practice Test

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Questions # 1:

You are going to read just one character from a stream called s. Which statement would you use?

Options:

ch = read(s, 1)

ch = s. input(1)

ch = input(s, 1)

ch = s. read(l)

Expert Solution

Questions # 2:

The following expression

1+-2

is:

Options:

equal to 1

invalid

equal to 2

equal to -1

Expert Solution

Questions # 3:

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? (Select two answers)

Question # 3

Options:

str (Object) = 'Object1

Class A.__module__ == ' main__'

len (ClassB.__bases__) == 2

__name__== '__main__'

Expert Solution

Questions # 4:

Which of the following lines of code will work flawlessly when put independently inside the inc ( ) method in order to make the snippet’s output equal to 3? (Select two answers)

Question # 4

Options:

put (self.prop + vaI)

self.put (self.get ( ) + vaI)

self.put (get ( ) + vaI)

self.put (self.prop + vaI)

Expert Solution

Questions # 5:

Which of the following invocations are valid? (Select two answers)

Options:

rfind("python","r")

sorted("python")

"python".sort ()

"python".index("th")

Expert Solution

Questions # 6:

Which of the following snippets will execute without raising any unhandled exceptions? (Select answers)

Question # 6

Options:

Option A

Option B

Option C

Option D

Expert Solution

Questions # 7:

What is the expected behavior of the following code?

Question # 7

Options:

it outputs -2

it outputs 2. 0

it outputs 0. 0

the code is erroneous and it will not execute

Expert Solution

Questions # 8:

The following class hierarchy is given. What is the expected out of the code?

Question # 8

Options:

Expert Solution

Questions # 9:

Which of the following statements are true? (Select two answers)

Options:

open () requires a second argument

open () is a function which returns an object that represents a physical file

instd, outstd, errstd are the names of pre-opened streams

if invoking open () fails, an exception is raised

Expert Solution

Questions # 10:

Which of the following invocations are valid? (Select two answers)

Options:

sorted ("python'')

"python" .sort ( )

sort" ("python")

"python' ,find (" ")

Expert Solution

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