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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Control Flow and Decision Making | 20% | - Comparisons and logical operators - If, elif, else statements - Conditional expressions |
| Topic 2: Variables, Data Types, and Basic Operations | 20% | - Variables and assignment - Data types: integers, floats, strings, booleans - Arithmetic operations and type conversion |
| Topic 3: Data Structures and Input/Output | 20% | - Basic file handling - User input and output operations - Lists, tuples, dictionaries, sets |
| Topic 4: Functions and Modular Programming | 20% | - Parameters, arguments, and return values - Variable scope and code reuse - Defining and calling functions |
| Topic 5: Loops and Iteration | 20% | - For loops and while loops - Break, continue, and pass statements - Iterating over sequences |
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NEW QUESTION # 16
Which components are required in every Python while loop?
Answer: C
Explanation:
A Python while loop needs a condition and an indented code block.
Example:
count = 1
while count < = 3:
print(count)
count += 1
The condition is count < = 3. The indented block contains the code that runs while the condition is true.
Python's compound statement documentation includes while as a control-flow statement.
Therefore, the correct answer isA. A condition and an indented code block.
NEW QUESTION # 17
Fix the indexing error in this function that should return the last character of a string.
def get_last_character(text):
return text[len(text)]
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: Python string indexing starts at 0.
Step 2: The last valid index of a string is len(text) - 1, not len(text).
Step 3: Python also allows negative indexing, where -1 means the last character.
Step 4: Replace text[len(text)] with text[-1] .
Correct code:
def get_last_character(text):
return text[-1]
Example:
print(get_last_character( " Python " ))
Output:
n
NEW QUESTION # 18
What happens when the command python is entered in a terminal without a filename?
Answer: C
Explanation:
When the command python is entered in a terminal without a filename, Python starts aninteractive Python session, also called interactive mode.
In interactive mode, Python displays the primary prompt:
> > >
The user can then type Python statements directly, such as:
> > > 2 + 3
5
The official Python documentation explains that when commands are read from a terminal, the interpreter is in interactive mode and prompts for the next command.
Python does not automatically run the most recent file, open a file browser, or necessarily display an error when started this way.
Therefore, the correct answer isC. An interactive Python session starts.
NEW QUESTION # 19
What sequence of steps is required to execute a Python script from a text editor using the terminal on a Windows device?
Answer: D
Explanation:
To run a Python script from a text editor using the terminal on Windows, the file should first be saved with the .py extension. Then, the terminal is opened, and the script is executed using the Python command followed by the filename.
Example:
python filename.py
The official Python documentation explains that when the interpreter is called with a filename argument, it reads and executes the script from that file. On Windows, the python command can be used from a terminal after Python is installed and configured correctly.
Therefore, the correct answer is A. Save file > open terminal > type python filename.py.
NEW QUESTION # 20
Modify the function greet_with_default(name) by adding a default value of " World " to the name parameter so it can be called with or without an argument.
def greet_with_default(name):
# TODO: Add a default value of " World " to the name parameter
return " Hello " + name
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: A default parameter value allows a function to be called even when no argument is provided.
Step 2: The default value should be added in the function header.
Step 3: The parameter name should have the default value " World " .
Correct code:
def greet_with_default(name= " World " ):
return " Hello " + name
Example:
print(greet_with_default())
print(greet_with_default( " Alice " ))
Output:
Hello World
Hello Alice
NEW QUESTION # 21
......
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