IndiaBIX

Python Programming - Data Types

Exercise : Data Types - General Questions
  • Data Types - General Questions
41.
What is the purpose of the count() method in Python lists?
To find the total number of elements in the list
To count the occurrences of a specific element in the list
To reverse the order of elements in the list
To add an element to the end of the list
Answer: Option
Explanation:

The count() method is used to count the number of occurrences of a specified element in a list.

Here is an example program that uses the count() method:

list = [1, 2, 3, 4, 1, 2]
print(list.count(1))

This program will print the number 2, which is the number of times the element 1 appears in the list.

42.
What will be the output of the following code snippet? 
my_dict = {'a': 1, 'b': 2, 'c': 3}
result = my_dict.get('d', 'Not Found')
print(result)
1
Not Found
4
Error
Answer: Option
Explanation:
The get() method returns the value for the specified key. If the key is not found, it returns the default value, which is 'Not Found' in this case.
43.
How do you convert a string to lowercase?
string.lower()
toLower(string)
string.lowercase()
lower(string)
Answer: Option
Explanation:
The lower() method is used to convert a string to lowercase in Python.
44.
What is the output of the following code snippet? 
my_set = {1, 2, 3, 4, 5}
my_set.remove(3)
print(my_set)
{1, 2, 3, 4, 5}
{1, 2, 4, 5}
{1, 2, 4}
Error
Answer: Option
Explanation:
The remove() method is used to remove a specific element from a set.
45.
What is the purpose of the chr() function?
Returns the character at a specified Unicode code point
Converts a string to uppercase
Checks if a variable is of a certain type
Rounds a floating-point number down to the nearest integer
Answer: Option
Explanation:
The chr() function returns a string representing a character whose Unicode code point is the integer.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers