Free Python-Institute PCEP-30-02 Exam Dumps Questions

What happens when the user runs the following code?

Correct Answer:B
The code snippet that you have sent is calculating the value of a variable ??total?? based on the values in the range of 0 to 3. The code is as follows:
total = 0 for i in range(0, 3): if i % 2 == 0: total = total + 1 else: total = total + 2 print(total) The code starts with assigning the value 0 to the variable ??total??. Then, it enters a for loop that iterates over the values 0, 1, and 2 (the range function excludes the upper bound). Inside the loop, the code checks if the current value of ??i?? is even or odd using the modulo operator (%). If ??i?? is even, the code adds 1 to the value of ??total??. If ??i?? is odd, the code adds 2 to the value of ??total??. The loop ends when ??i?? reaches 3, and the code prints the final
value of ??total?? to the screen.
The code outputs 2 to the screen, because the value of ??total?? changes as follows:
✑ When i = 0, total = 0 + 1 = 1
✑ When i = 1, total = 1 + 2 = 3
✑ When i = 2, total = 3 + 1 = 4
✑ When i = 3, the loop ends and total = 4 is printed Therefore, the correct answer is B. The code outputs 2.
Reference: [Python Institute - Entry-Level Python Programmer Certification]

Python Is an example of which programming language category?

Correct Answer:A
Python is an interpreted programming language, which means that the source code is translated into executable code by an interpreter at runtime, rather than by a compiler beforehand. Interpreted languages are more flexible and portable than compiled languages, but they are also slower and less efficient. Assembly and machine languages are low-level languages that are directly executed by the hardware, while compiled languages are high-level languages that are translated into machine code by a compiler before execution.
Reference: [Python Institute - Entry-Level Python Programmer Certification]

What is the expected output of the following code?

Correct Answer:B
The code snippet that you have sent is using the slicing operation to get parts of a string and concatenate them together. The code is as follows:
pizza = ??pizza?? pasta = ??pasta?? folpetti = ??folpetti?? print(pizza[0] + pasta[0] + folpetti[0])
The code starts with assigning the strings ??pizza??, ??pasta??, and ??folpetti?? to the variables pizza, pasta, and folpetti respectively. Then, it uses the print function to display the result of concatenating the first characters of each string. The first character of a string can be accessed by using the index 0 inside square brackets. For example, pizza[0] returns ??p??. The concatenation operation is used to join two or more strings together by using the + operator. For example, ??a?? + ??b?? returns ??ab??. The code prints the result of pizza[0] + pasta[0] + folpetti[0], which is ??p?? + ??p?? + ??f??, which is ??ppt??.
The expected output of the code is ppt, because the code prints the first characters of each string. Therefore, the correct answer is B. ppt.
Reference: Python String Slicing - W3SchoolsPython String Concatenation - W3Schools

Which of the following functions can be invoked with two arguments?
A)

B)

C)

D)

Correct Answer:B
The code snippets that you have sent are defining four different functions in Python. A function is a block of code that performs a specific task and can be reused in the program. A function can take zero or more arguments, which are values that are passed to the function when it is called. A function can also return a value or None, which is the default return value in Python.
To define a function in Python, you use the def keyword, followed by the name of the function and parentheses. Inside the parentheses, you can specify the names of the parameters that the function will accept. After the parentheses, you use a colon and then indent the code block that contains the statements of the function. For example:
def function_name(parameter1, parameter2): # statements of the function return value To call a function in Python, you use the name of the function followed by parentheses.
Inside the parentheses, you can pass the values for the arguments that the function expects. The number and order of the arguments must match the number and order of the parameters in the function definition, unless you use keyword arguments or default values. For example:
function_name(argument1, argument2)
The code snippets that you have sent are as follows:
A) def my_function(): print(??Hello??)
B) def my_function(a, b): return a + b
C) def my_function(a, b, c): return a * b * c
D) def my_function(a, b=0): return a - b
The question is asking which of these functions can be invoked with two arguments. This means that the function must have two parameters in its definition, or one parameter with a default value and one without. The default value is a value that is assigned to a parameter if no argument is given for it when the function is called. For example, in option D, the parameter b has a default value of 0, so the function can be called with one or two arguments.
The only option that meets this criterion is option B. The function in option B has two parameters, a and b, and returns the sum of them. This function can be invoked with two arguments, such as my_function(2, 3), which will return 5.
The other options cannot be invoked with two arguments. Option A has no parameters, so it can only be called with no arguments, such as my_function(), which will print ??Hello??. Option C has three parameters, a, b, and c, and returns the product of them. This function can only be called with three arguments, such as my_function(2, 3, 4), which will return 24. Option D has one parameter with a default value, b, and one without, a, and returns the difference of them. This function can be called with one or two arguments, such as my_function(2) or my_function(2, 3), which will return 2 or -1, respectively.
Therefore, the correct answer is B. Option B.

What is the expected output of the following code?

Correct Answer:D
The code snippet that you have sent is using the count method to count the number of occurrences of a value in a list. The code is as follows:
my_list = [1, 2, 3, 4, 5] print(my_list.count(1))
The code starts with creating a list called ??my_list?? that contains the numbers 1, 2, 3, 4, and 5. Then, it uses the print function to display the result of calling the count method on the list with the argument 1. The count method is used to return the number of times a value appears in a list. For example, my_list.count(1) returns 1, because 1 appears once in the list.
The expected output of the code is 1, because the code prints the number of occurrences of 1 in the list. Therefore, the correct answer is D. 1.
Reference: Python List count() Method - W3Schools

What is the expected result of running the following code?

Correct Answer:C
The code snippet that you have sent is trying to use the index method to find the position of a value in a list. The code is as follows:
the_list = [1, 2, 3, 4, 5] print(the_list.index(6))
The code starts with creating a list called ??the_list?? that contains the numbers 1, 2, 3, 4, and 5. Then, it tries to print the result of calling the index method on the list with the argument 6. The index method is used to return the first occurrence of a value in a list. For example, the_list.index(1) returns 0, because 1 is the first value in the list.
However, the code has a problem. The problem is that the value 6 is not present in the list, so the index method cannot find it. This will cause a ValueError exception, which is an error that occurs when a function or operation receives an argument that has the right type but an inappropriate value. The code does not handle the exception, and therefore it will terminate with an error message.
The expected result of the code is an unhandled exception, because the code tries to find a value that does not exist in the list. Therefore, the correct answer is C. The code raises an unhandled exception.
Reference: Python List index() Method - W3SchoolsPython Exceptions: An Introduction –
Real Python