Essential Python Naming Conventions for PCEP-30-02 Exam Success

Question 1: Which of the following is a valid variable name according to Python naming conventions?

1. 2ndVar
2. my-var
3. my_Var
4. my var

Question 2: What is the recommended naming convention for variable names in Python?

1. camelCase
2. PascalCase
3. snake_case
4. kebab-case

Question 3: Which of the following variable names adhere to Python's naming conventions? (Select all that apply)

1. first_name
2. FirstName
3. firstName
4. first-name

Question 4: Match the following naming conventions with their correct descriptions.

Question 5: Fill in the blanks: In Python, the recommended naming convention for variable names is ________, while ________ is typically used for class names.

Question 6: Arrange the following variable names in order according to Python's naming convention (valid to invalid).

Question 7: Fill in the code to define a variable using the recommended naming convention in Python.

user_name = "Alice" print(_______)

Question 8: Insert the missing line of code to define a variable following the snake_case convention.

_______ = "Python"
print(programming_language)

Question 9: What will be the output of the following code?

first_name = "Lois"
last_name = "Jennifer"
print(first_name, last_name)

1. LoisJennifer
2. Lois Jennifer
3. first_name last_name
4. Lois, Jennifer

Question 10: Which of the following is not an acceptable variable name according to Python naming conventions?

1. _hidden_var
2. hiddenVar
3. hidden-var
4. hidden_var

Question 11: Which of the following statements about Python naming conventions are true? (Select all that apply)

1. Variable names can start with an underscore.
2. Variable names should be all uppercase
3. Variable names should be descriptive and meaningful
4. Variable names can contain letters, digits, and underscores

Question 12: Match the following naming conventions with their usage.

Question 13: Fill in the blanks: Constants in Python are typically written in ________ case, while variables follow the ________ case convention.

Question 14: Arrange the following naming conventions in order of their typical usage: constants, class names, variable names.

Question 15: Fill in the code to declare a constant following the UPPER_CASE convention.

_______ = 3.14159
print(PI)

Question 16: Insert the missing line of code to define a class name following the PascalCase convention.

class _______:
    def __init__(self):
        pass

Question 17: What will be the output of the following code?

user_name = "Alice"
USER_NAME = "Bob"
print(user_name, USER_NAME)

1. Alice Alice
2. Bob Bob
3. Alice Bob
4. user_name USER_NAME

Question 18: Which of the following is a valid variable name for a private variable in Python?

1. privateVar
2. _private_var
3. __privateVar
4. private-var

Question 19: Which of the following are valid naming conventions for private variables in Python? (Select all that apply)

1. _var
2. __var
3. var_
4. var__

Question 20: Match the following types of variables with their naming conventions.

Question 21: Fill in the blanks: Private variables in Python typically start with a ________, while constants are written in ________.

Question 22: Arrange the following steps to define and print a variable following the snake_case convention.

Question 23: Fill in the code to declare a class using the PascalCase convention.

class _______:
    def __init__(self, name):
        self.name = name

Question 24: Insert the missing line of code to define a private variable following the _single_leading_underscore convention.

class Example:
    def __init__(self):
        self._______ = "secret"

Question 25: What will be the output of the following code?

_var = 5
Var = 10
print(_var, Var)

1. 5 5
2. 10 10
3. 5 10
4. _var Var