#1
What does the '++' operator do in programming?
Increment the value of a variable by 1
Decrement the value of a variable by 1
Multiply the value of a variable by 2
Divide the value of a variable by 2
#2
What does the 'for' loop typically consist of?
Initialization, condition, increment
Initialization, decrement, increment
Condition, increment, decrement
Initialization, condition, decrement
#3
What does the 'continue' statement do in a loop?
Exits the loop
Skips the rest of the code inside the loop for the current iteration
Resumes execution from the beginning of the loop
Skips the current iteration of the loop and moves to the next iteration
#4
What is the purpose of the 'break' statement in a loop?
To exit the loop
To skip the current iteration and continue with the next one
To continue executing the loop indefinitely
To modify the loop counter
#5
What is the purpose of the 'str()' function in Python?
Converts a string to a list
Converts an integer to a string
Converts a string to an integer
Returns the length of a string
#6
What is the result of the expression '3 + 2 * 4' in mathematics?
#7
What is the purpose of the 'int()' function in Python?
Converts a string to an integer
Converts an integer to a string
Converts a string to a list
Returns the length of a string
#8
What does the 'strlen()' function do in C programming?
Returns the length of a string
Compares two strings
Copies one string to another
Concatenates two strings
#9
In Python, what does the 'strip()' function do?
Removes leading and trailing whitespace
Splits a string into a list
Joins a list of strings into one string
Replaces occurrences of a substring with another substring
#10
What is the result of '5 // 2' in Python?
#11
What does the 'enumerate()' function in Python do?
Returns an iterator of tuples containing index and value pairs
Reverses a given list
Converts a list into a set
Finds the maximum value in a list
#12
What does the 'str.split()' method in Python do by default?
Splits a string into characters
Splits a string into words
Reverses a string
Joins a list of strings into one string
#13
What is the output of 'print('hello'.capitalize())' in Python?
#14
What does the 'str.join()' method in Python do?
Splits a string into characters
Splits a string into words
Joins a list of strings into one string
Reverses a string
#15
What is the output of the following code snippet in Python: 'print('Hello'[1:])'?
#16
In JavaScript, what does the 'toFixed()' method do?
Rounds a number to the nearest integer
Converts a number to a string, keeping a specified number of decimals
Converts a string to a number
Returns the index of the first occurrence of a specified value in a string
#17
What does the 'reduce()' function do in Python?
Applies a function to all the items in an input list
Performs aggregation on a list of elements
Sorts a list of elements in ascending order
Filters a list of elements based on a given function
#18
What does the 'filter()' function do in Python?
Applies a function to all the items in an input list
Performs aggregation on a list of elements
Filters a list of elements based on a given function
Sorts a list of elements in ascending order
#19
What does the 'map()' function do in Python?
Applies a function to all the items in an input list
Performs aggregation on a list of elements
Filters a list of elements based on a given function
Sorts a list of elements in ascending order