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| Section | Weight | Objectives |
|---|---|---|
| Loops and Iteration | 20% | - Iterating over sequences - Break, continue, and pass statements - For loops and while loops |
| Functions and Modular Programming | 20% | - Variable scope and code reuse - Parameters, arguments, and return values - Defining and calling functions |
| Data Structures and Input/Output | 20% | - Basic file handling - User input and output operations - Lists, tuples, dictionaries, sets |
| Variables, Data Types, and Basic Operations | 20% | - Arithmetic operations and type conversion - Data types: integers, floats, strings, booleans - Variables and assignment |
| Control Flow and Decision Making | 20% | - Conditional expressions - Comparisons and logical operators - If, elif, else statements |
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NEW QUESTION # 48
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 # 49
Which keyword is used to exit a loop prematurely in Python?
Answer: B
Explanation:
The break keyword exits a loop immediately before the loop condition naturally becomes false or before all items have been processed.
Example:
for number in range(10):
if number == 5:
break
print(number)
When number becomes 5, the loop stops. Python's control-flow documentation explains the use of break in loops.
Therefore, the correct answer isB. break.
NEW QUESTION # 50
Complete the function get_dict_keys(data) that takes a dictionary and returns a list of all its keys.
For example, get_dict_keys({ " name " : " John " , " age " : 25}) should return [ " name " , " age " ].
def get_dict_keys(data):
# TODO: Return a list of all dictionary keys
pass
Answer:
Explanation:
See the Step by Step Solution below in Explanation.
Explanation:
Step 1: A dictionary stores data as key-value pairs.
Step 2: The .keys() method returns the dictionary's keys.
Step 3: To return the keys as a list, use list(data.keys()).
Correct code:
def get_dict_keys(data):
return list(data.keys())
Example:
print(get_dict_keys({ " name " : " John " , " age " : 25}))
Output:
[ ' name ' , ' age ' ]
NEW QUESTION # 51
A program uses this while loop to count down:
count = 5
while count > 0:
print(count)
Which issue is preventing the loop from working correctly?
Answer: C
Explanation:
The loop condition is:
while count > 0:
At the start, count is 5, so the condition is true. The program prints the value of count.
However, inside the loop, the value of count is never changed. That means count always stays 5, so the condition count > 0 is always true. As a result, the loop runs forever.
A corrected version would be:
count = 5
while count > 0:
print(count)
count = count - 1
This decreases count by 1 during each loop iteration. Eventually, count becomes 0, and the condition count >
0 becomes false.
Therefore, the correct answer isB. It runs infinitely because count is never modified.
NEW QUESTION # 52
What does the string method ' ' .join() return when applied to the list [ ' Hello ' , ' World ' ]?
Answer: C
NEW QUESTION # 53
......
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