Free Python Institute Python-PCAT Practice Exam Questions and Answers 2026

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Total 178 Questions | Updated On: Apr 03, 2026

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Question 1

What does the COUNT() function in SQL do?

A : Calculates the average of a column

B : Counts the number of rows in a table

C : Returns the total sum of a column

D : Counts the number of distinct values in a column

Answer: B

Question 2

What does the mean() data aggregate function do?

A : Finds the maximum value in a dataset

B : Calculates the average value of a dataset

C : Sorts the dataset in ascending order

D : Returns the length of the dataset

Answer: B

Question 3

Which function is used to find the minimum value in a list?

A : min()

B : sum()

C : max()

D : sort()

Answer: A

Question 4

Which keyword is used to define a subclass in Python?

A : sub

B : derive

C : base

D : class

Answer: D

Question 5

What is the difference between a global and a local variable in Python?

A : Global variables can be accessed anywhere in the program, while local variables are only accessible within the function where they are defined.

B : Global variables are immutable, while local variables are mutable.

C : Global variables are defined inside functions, while local variables are defined outside functions.

D : Global variables can only store strings, while local variables can store any data type.

Answer: A

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Total 178 Questions | Updated On: Apr 03, 2026

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