Western Governors University (WGU) C859 Introduction to Programming in Python Practice Test

These questions are part of the practice quiz. Start practicing

• What is the significance of indentation in Python?
• What does the break statement accomplish in a loop?
• What is a constructor in Python?
• When you use write() on an open file in 'w' mode, what happens to existing data within the file?
• What does the add() method do in the context of a set?
• What type of operations can be performed within a block defined by with open()?
• What is the primary function of the set() method in Python?
• What is a list in Python?
• What is the purpose of the map() function?
• What are instance variables?
• What happens if you attempt to read from a file that has been opened in 'w' mode?
• Which keyword is used to define a lambda function in Python?
• What is a lambda function in Python?
• What does the command 'import pytz' do in Python?
• How can elements in a list be accessed?
• What will mylist[3:] return?
• Which Python keyword is used to define exceptions?
• How do you use the continue statement in loops?
• When using the while loop, when will the loop stop executing?
• What is true regarding the difference between mutable and immutable objects?
• What is the purpose of the return statement in a function?
• How does sorted(listname, reverse=True) order the list?
• What is the difference between an attribute and a method in a class?
• Which of the following best describes mutable objects in Python?
• In Python, which operator is used for string concatenation?
• How can a list be sorted in Python?
• What keyword is used to define an exception block in Python?
• What will occur if you run 'pip3 install pytz' without internet access?
• What does the filter() function do?
• How do you define a function in Python?
• What is the result of using an undefined key in a dictionary?
• What are the basic data types in Python?
• In Python, how can you create a mutable object?
• How do you append an item to a list?
• What does the open function with 'w' mode do?
• What does the statement from csv import reader as scvreader do?
• Which of the following is true about the yield statement?
• What is the result of using mylist[-1]?
• When using the pop() method, what does it return if no index is specified?
• Which statement accurately describes the result of a logical OR operation?
• What is the purpose of the expression 9.2 in myNumbers?
• What does the 'self' keyword represent in a class?
• What is the difference between sort() and sorted()?
• How do you define a class in Python?
• What is the difference between a for loop and a while loop?
• What does the `strip()` method do to a string?
• How do you open a file in Python?
• What is a function in Python?
• What does the `strip()` method do in Python?
• How can you convert a string to an integer in Python?
• What does JSON stand for in Python?
• What is a dictionary in Python?
• What is a generator in Python?
• What will be the output of `print(type({}))` in Python?
• What is the purpose of the global keyword?
• What is the effect of using write() on an open file?
• What does the statement 'if 'key' in dictionary:' do?
• Which function would you use to add values to an existing list?
• What is the purpose of the if statement?
• What is a tuple in Python?
• What is the main purpose of the 'as' keyword in the statement from csv import reader as scvreader?
• What is the primary function of read() when used on a file object?
• What does the slice mylist[:3] return?
• How can you append an item to a list in Python?
• Which operator is used for integer division in Python?
• Which function returns the total sum of the values in a list?
• How do you define a function in Python?
• How do you comment code in Python?
• What is returned when mylist[-2] is executed?
• What is the term for the technique that allows multiple variables to be assigned values in one statement?
• What operation is performed by the '%' operator in Python?
• What is the outcome of using from collections import defaultdict?
• What does the '-' operator do in Python?
• What is the result of the command 'print(' , .split())'?
• Which function returns the greatest element in a list?
• What is the output of the len() function when applied to an empty list?
• What is a lambda function?
• What do the expressions mylist[::2] and mylist[::-1] represent?
• Which function is used to convert a value to an integer in Python?
• What does the '+' operator represent in Python?
• How do you handle multiple exceptions in Python?
• What is the purpose of the break statement?
• How do you concatenate two strings in Python?
• What is the purpose of the while statement in 'while temp >= 32:'?
• What are decorators in Python?
• How can you check if a key exists in a dictionary?
• Given the variable assignment var1, var2, var3 = 1, 2, 3, what is the type of var1?
• What type of data structure is a dictionary in Python?
• What will happen if you attempt to modify an immutable object in Python?
• How would you create a set in Python?
• Which statement is true regarding Boolean values?
• How do you handle exceptions in Python?
• What does the command 'print(type(pytz))' return?
• Which method is used to read an entire file at once?
• What is the return type of a lambda function?
• What happens when an exception is raised but not caught?
• What does the import as syntax do?
• How do you import a module in Python?
• What does '**' represent in Python?
• What will be the output of `print(['Hello'] * 3)` in Python?
• Which of the following is NOT a built-in data type in Python?
• What is the purpose of the discard() method?
• What does the '/' operator do in Python?
• How is a list comprehension created in Python?
• What kind of operations can the pytz module perform?
• What do the indices mylist[1:3] represent?
• What is the difference between shallow copy and deep copy?
• How do you remove an item from a list?
• What does the len() function do?
• What is the purpose of the '+=' operator in Python?
• What is list slicing in Python?
• Which operator is used for comparison in Python?
• How can a list be reversed in Python?
• What is the purpose of the .items() method in dictionaries?
• What function is used to display a message in Python?
• What does the with statement accomplish when working with files?
• What keyword is used to define a class in Python?
• Which of the following correctly represents the way to call a function named 'calculate'?
• Which command is used to check if a package is installed in Python?
• Can you have multiple conditions in an if statement?
• In Python, which datatype is an example of an immutable object?
• In which scenario would you use the add() method?
• What does the map() function do?
• Which of the following correctly initializes an instance variable?
• Which function would you use to convert an object to a string in Python?
• What is the purpose of Python's built-in help function?
• What is a conditional statement?
• In Python, what does the `len()` function do?
• How do you convert a string to an integer in Python?
• What is a module in Python?
• What is the key difference between '==' and 'is' in Python?
• What will the min() function return?
• What is the purpose of the open function when used with 'r' mode?
• When should you consider using `*args` in your function declarations?
• What is the purpose of the `enumerate()` function?
• Which function is used to convert a string to uppercase in Python?
• What does the float() function do in Python?
• How do you access a value in a dictionary?
• Which statement correctly creates a list of the first 5 square numbers in Python?
• What is method overloading?
• What is the function of `**kwargs` in a Python function?
• What function is used to count the number of items in a list?
• What are dictionaries in Python?
• Which function would you use to find the smallest element in a list?
• What is the purpose of the __init__ method in a class?
• What does the modulus operator (%) return in Python?
• How do you create a while loop that counts from 0 to 5?
• What is the result of using the set() constructor without any arguments?
• Which of the following accurately distinguishes `*args` from `**kwargs` in function definitions?
• What output would the expression type(12.0) give in Python?
• How do you handle multiple exceptions in Python?
• How do you convert a Python object to a JSON string?
• What operation does 'for city in cities:' perform in Python?
• What data type is created by the expression myPhone = (877, 435, 7948)?
• What is a variable in Python?
• What will the result of calling sum() on an empty list be?
• What is the purpose of the get() method in a dictionary?
• What are loops used for in programming?
• What does the expression mylist[0] return?
• What defines a keyword argument in a function?
• What does the Boolean NOT operation return when applied to a result of True?
• What function is used to read a file line by line in Python?
• Which statement is true about dictionaries?
• What does the import math statement accomplish in a Python script?
• Which operator would you use to raise a number to a power in Python?
• What does the '-=' operator do in Python?
• What does the return statement do in a function?
• How do you create a variable in Python?
• What is recursion in programming?
• Which of the following is NOT a valid operator in Python?
• What is the result of accessing an index that does not exist in a list?
• What does the range() function do in Python?
• What is polymorphism in object-oriented programming?
• What does the command 'pip list' accomplish?
• What distinguishes instance variables from class variables?
• What will be the output of `print("Hello".strip())`?
• What is inheritance in Python?
• How can you make a generator function?
• Explain the difference between == and = in Python.
• What does the following code snippet create? myNumbers = [1, 4.8, 7, 9.2, 3, 0]
• Which method would you use to remove characters from both ends of a string?
• What is a set in Python?
• How are entries in a dictionary defined?
• When using multiple assignments in Python, how are the variables separated?
• In the context of classes, what does encapsulation refer to?
• What is the purpose of the .split() method in Python?
• What does the '=' operator signify in Python?
• Which of the following statements correctly defines a float in Python?
• What does the with statement do when working with files?
• How do you create a list in Python?
• What is a module in Python?
• What does the append() function do in a list?
• What does the sorted() function return if called without any arguments?
• Which function removes the last item from a list?
• What is the difference between while and for loops?
• What is the role of the Global Interpreter Lock (GIL) in Python?
• What function is used to join values from a list using a defined separator?
• In a for loop, what does the 'range()' function do?
• What is the function of the '//' operator in Python?
• How do you write an if statement in Python?
• How are sets different from lists?
• What will happen if you call a function that has not been defined?
• What is the first argument of the split method in Python when splitting a string?
• What is the purpose of the with statement in file handling?
• What does the expression 9.2 not in myNumbers return if 9.2 is present in the list?
• In Python, what does it mean to "catch" an exception?
• What is the result of using 'set([])' in Python?
• Which of the following represents an integer in Python?
• Which of the following is NOT a built-in data type in Python?
• What type of value is represented by the example 'twelve'?
• What is the correct way to raise an exception in Python?
• What does pop(1) do in a list?
• What best describes list slicing?
• What is a loop in programming?
• What is a variable in Python?
• What command is used to install a package via the command line in Python?
• What is the purpose of the pass statement in Python?
• What is the main advantage of using the with statement for file handling?
• How do you read a file in Python?
• How do you import a module in Python?
• What is exception handling in Python?
• What does the sorted() function do?
• How can you sort a list in Python?
• What action does close() perform on a file object?
• How can you create a simple graphical user interface (GUI) in Python?
• What is the main use of split() without any arguments?
• What functionality does the len() function provide?
• How do you create a set in Python?
• What data type would the value True represent in Python?
• What is the output of the expression 'hello'.split()?
• What symbol is used for multi-line comments in Python?
• How can you retrieve a value from a dictionary?
• Which data type is most suitable for storing a text value in Python?
• What will happen if you try to add a duplicate value to a set?
• Which of the following commands would you use to parse a JSON string into a Python object?
• In which scenario would you import a package in Python?
• What is the Boolean value in Python generally used to represent?
• How do you create an object of a class in Python?
• Which of the following is considered a built-in data type in Python?
• What is list comprehension in Python?
• Which statement correctly describes the `raise` keyword?
• Which command would you use to remove a package in Python?
• What is a tuple in Python?
• What function is used to determine the type of an object in Python?