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| Section | Objectives |
|---|---|
| Topic 1: Python Programming Fundamentals | - Operators and expressions - Variables and data types - Syntax and basic structure |
| Topic 2: Control Flow | - Loops (for, while) - Conditional statements (if / elif / else) |
| Topic 3: Functions and Modularity | - Modules and imports - Function definition and scope |
| Topic 4: Debugging and Testing Basics | - Error identification and correction - Basic testing concepts |
| Topic 5: Introduction to Object-Oriented Programming | - Classes and objects - Basic OOP concepts |
| Topic 6: File Handling and Exceptions | - Reading and writing files - Exception handling (try/except) |
| Topic 7: Data Structures | - Basic data manipulation - Lists, tuples, dictionaries |
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NEW QUESTION # 51
What does the string method ' ' .join() return when applied to the list [ ' Hello ' , ' World ' ]?
Answer: B
NEW QUESTION # 52
What sequence of steps is required to execute a Python script from a text editor using the terminal on a Windows device?
Answer: A
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 # 53
Complete the function update_grade(grades, student, new_grade) that takes a grades dictionary, a student name, and a new grade, then updates that student ' s grade and returns the dictionary.
For example, update_grade({ " Alice " : 85, " Bob " : 90}, " Alice " , 95) should return { " Alice " : 95, " Bob
" : 90}.
Answer: A
Explanation:
A dictionary stores data as key-value pairs. In this function, the student name is the key, and the grade is the value.
Correct code:
def update_grade(grades, student, new_grade):
grades[student] = new_grade
return grades
Example:
update_grade({ " Alice " : 85, " Bob " : 90}, " Alice " , 95)
Result:
{ " Alice " : 95, " Bob " : 90}
Python's built-in types documentation includes dictionaries as mapping types, where values are accessed and updated using keys.
Therefore, the correct answer isA.
NEW QUESTION # 54
Which Python data structure cannot be modified after creation?
Answer: C
Explanation:
Atupleis immutable, which means it cannot be changed after it is created.
Example:
coordinates = (10, 20)
After this tuple is created, its elements cannot be modified directly. Python's data model documentation explains that tuples are immutable, while lists and dictionaries are mutable.
Therefore, the correct answer isC. Tuple.
NEW QUESTION # 55
What distinguishes a terminal-based Python environment from other development environments?
Answer: C
Explanation:
A terminal-based Python environment uses atext-based command line interface. In this environment, the user types commands directly into a terminal or command prompt.
For example, a user may start Python by typing:
python
When Python is started from a terminal, the interpreter can run in interactive mode, where it displays prompts such as > > > and waits for the user to enter Python commands. The official Python documentation explains that when commands are read from a terminal, the interpreter is in interactive mode.
A terminal-based environment is not mainly identified by graphical user interface elements, internet connectivity, or automatic file saving.
Therefore, the correct answer isC. Text-based command line interface.
NEW QUESTION # 56
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