Deck 1: Basic Python Programming

Question 1

In Python, _MyVar15 is a valid variable name.

Answer 1

True

Question 2

Strings are mutable objects, which means you can replace their contents.

Answer 2

False

Question 3

In Python, a variable containing the value 5 will evaluate as true if used with the and logical operator.

Answer 3

True

Question 4

The print function outputs a newline by default before its arguments are printed.

Question 5

If you print the string "Hello, it is a very \nice day", there will be two lines of output.

Question 6

Strings are compared using ASCII ordering.

Question 7

A docstring is another term for a Python variable that holds a string constant.

Question 8

The keywords True and False are floating point values.

Question 9

It is good practice to import all names from a module using the * operator.

Question 10

Use the comparison operator != to check if one value is not equal to another value.

Question 11

You can use the # symbol to create a multiline comment.

Question 12

Python programs require two or more modules.

Question 13

The keyword while means the same thing as While in Python.

Question 14

To make your program more secure, use obscure variable names such as xz14dEEa .

Question 15

Indenting code that should be executed when an if statement evaluates as true makes your program easier to read, but the indentation is not necessary.

Question 16

The while statement uses the syntax while : and is the preferred control statement to iterate over a definite range of sequences.

Question 17

Standard functions and Python's library functions check the types of their arguments when the function is called.

Question 18

The input function returns a numeric value by default.

Question 19

You can use the slice operator to obtain a substring from a string.

Question 20

The main python module contains the starting point of execution.

Question 21

To create an end-of-line comment, which symbol do you use to begin the comment?

A) #
B) *
C) /
D) @

Question 22

With what character does the print function terminate its output by default?

A) newline
B) null
C) period
D) space

Question 23

A list mutator is a method used to modify the contents of a list.

Question 24

The expression primes = (2, 3, 5, 7, 11) creates a list named primes.

Question 25

What can you use a docstring for?

A) to hold the name of a document file
B) to create a large string variable
C) to hold data of type string
D) to create a multiline comment

Question 26

What keywords does Python use for Boolean values?

A) Yes, No
B) On, Off
C) True, False
D) Set, Unset

Question 27

Which statement allows a programmer to run a module as a standalone program or import it from the shell?

A) do _module(main)
B) while main != _module
C) if self == "main()":
D) if __name__ == "__main__":

Question 28

Which statement is true about Python syntax?

A) a code block must begin with a left brace
B) each code statement must end with a semicolon
C) white space is ignored
D) blocks of code are indicated by indentation

Question 29

What keyword is used to make a multiway if statement?

A) else
B) elif
C) then
D) elseif

Question 30

A literal representation of a list is made using parentheses to enclose items separated by commas.

Question 31

A tuple is an immutable sequence of items and does not have mutator methods.

Question 32

What symbol is used to insert a tab in a string?

A) \t
B) [ TAB ]
C) / t
D) @ tab

Question 33

Which comparison operation returns True if variable x is not equal to variable y?

A) x .ne. y
B) x neq y
C) x <> y
D) x != y

Question 34

A dictionary object contains zero or more entries where each entry associates a unique key with a value.

Question 35

What is the output of the following code?
Sum = 0
For value in range(1,4):
If value == 2:
Sum = sum**2
Sum += value
Print(sum)

A) 6
B) 12
C) 8
D) 16

Question 36

Assume x is equal to 5 and y is equal to 0. Which comparison operation returns True?

A) x == y or y
B) y < 5 and y
C) (x > y) and x
D) x > 0 and None

Question 37

What is the output of the following code? sum = 0
Value = 3
While value <= 5:
Sum += value
Value += 1
Print(sum)

A) 15
B) 10
C) 12
D) 18

Question 38

What is the name of the function that contains the starting point of program execution?

A) start
B) main
C) begin
D) enter

Question 39

What is the output of the following code?
Sum = 0
For value in range(1,4):
Sum += value
Print(sum)

A) 5
B) 10
C) 4
D) 6

Question 40

Which of the following is true about Python keywords?

A) they can begin with a number, letter, or hyphen
B) they are case sensitive
C) they are written in uppercase
D) they can be a maximum of 6 characters long

Question 41

Which of the following statements creates a tuple containing four items?

A) t = [ 1: 2: 3: 4 ]
B) t = {1, 2, 3, 4}
C) t =t = < 1; 2; 3; 4 >
D) t = (1, 2, 3, 4)

Question 42

What is the value of string1 after the following statement is executed?
String1 = "hello"[ :3 ] + "python"[ 0 ]

A) lpython
B) llo
C) help
D) lop

Question 43

Select the answer that should be used to replace the missing code in the following statements. myList = list()
FileObj = open("myfile.dat", "rb")
While True:
Try:
Item = pickle.load(fileObj)
MyList.append(item)
< missing code >
FileObj.close()
Break
Print(myList)

A) if EOF:
B) elif Error:
C) except EOFError:
D) else while TRUE:

Question 44

In a class definition, what type of method uses the values of the object's instance variables without changing them?

A) constructor
B) accessor
C) instance
D) mutator

Question 45

What is the last line of the output when the following code is executed?
X = 2
For exp in range (5):
Print ("%2d.0" % x**exp)

A) 8.0
B) 16
C) 32
D) 16.0

Question 46

What is the value of z after the following code is run?
Y = 0
Z = 0
For x in range(5,8):
Z = max(x, y)
Y = y + x

A) 18
B) 11
C) 7
D) 13

Question 47

What are the values of variables x, y, and z after the following code is run?
Y = 0
Z = 0
For x in range(5,7):
If y > z:
Z, y = y, z
Y = y + x;

A) x == 7, y == 11, z == 6
B) x == 6, y == 6, z == 5
C) x = 6, y == 5, z == 6
D) x == 7, y == 12, z == 5

Question 48

How do you describe a function that calls itself?

A) self_calling function
B) iterative function
C) derivative function
D) recursive function

Question 49

What is the value of newList after the following code is executed?
NewList = [ "George", "John", "Thomas", "James" ]
NewList.pop()
NewList.append("Andrew")

A) [ "George", "John", "Thomas", "James", "Andrew" ]
B) [ "George", "John", "Thomas", "Andrew" ]
C) [ "Andrew", "John", "Thomas", "James" ]
D) [ "Andrew", "George", "John", "Thomas", "James" ]

Question 50

What is the last line of output of the following code?
Pres = {1:"Washington", 16:"Lincoln", 35: "Kennedy", 40:"Reagan"}
For nth in pres:
Print("%2d:" % nth,pres[ nth ])

A) 35: Kennedy
B) 40: Reagan
C) 03: Kennedy
D) 04: Reagan

Question 51

Which of the following correctly defines a function named myFunc?

A) def myFunc():
B) func myfunc:
C) myfunc()#
D) int myFunc: