Python Test Unit 1
The string method .swapcase() converts from string to integer.
False
The type() function is used to change from one data type to another.
False
Given the code below and entering "Colette" for user_name input: python total_cost = 22.95 user_name = input("Enter your name: ") What print statement that will output: Colette - the total is $ 22.95 for today's purchase
print(user_name, "- the total is $", total_cost, "for today's purchase")
year = "2001" if year.isdigit(): print(year, "is all digits") else: pass What is the output from running the above code?
"2001 is all digits"
id = 3556 if id > 2999: print(id, "is a new student") else: print(id, "is an existing student") What is the output of the above line of code?
"3556 is a new student"
if True: if False: print("Banana") else: print("Apple") else: if True: print("Dates") else: print("Corn") What is the output of the above code?
"Apple"
hot_plate = True if hot_plate: print("Be careful, hot plate!") else: print("The plate is ready.") What is the output from running the above code?
"Be careful, hot plate!"
name = "Jin Xu" if type(name) == type("Hello"): print(name, "is a string entry") else: print(name, "is not a string entry") What is the output from running the above line of code?
"Jin Xu is a string entry"
x = 0 while x < 5: x += 1 print('loop') What is the output from running the above code most like?
"loop" (5 times)
if x < 0: print("-") else: if y >= 0: print("+/+") else: print("+/-") Which values for x and y result in the output "+/-"? (Choose the best answer.)
x = 0 and y = -1
def low_case(words_in): return words_in.lower() Choose the correct output of calling the function above using the following code: words_lower = low_case("Return THIS lower") print(words_lower)
"return this lower"
x = 0 while True: if x < 10: print('run forever') x += 1 else: break What is the output from running the above code most like?
"run forever" (10 times)
1. greet(name) 2. name = input("enter your name: ") 3. greet(name) 4. def greet(person): u 5. print("Hi,", person) 6. greet(name) Which line or lines need to be removed from the above code so the program prints a greeting without error?
lines 1 and 3
\\\\ What is the best choice of code to create the output shown above?
print("\\\\\\\\")
Function calls should be placed at the beginning of a code page, and functions should be placed later and toward the end of the code.
False
In Python, strings can contain only letters a-z and A-Z.
False
Using comma separation, we can combine strings and numbers (int & float) in a single Python print() function without a TypeError.
True
Variable values in Python can change type, from integer to string
True
Variables in Python can be initialized using the equals sign (=).
True
What does type(3.55) return?
float
x = 3 y = "3" # get_diff takes an int and a str def get_diff(xint, ystr): # <function code needed here> if y.isdigit() == False: print('"y" is not an integer string') elif get_diff(x,y) == 0: print('x equal to y') else: print('x is NOT equal to y') To make this program work, printing "x equal to y", choose the best code to replace the above comment "# <function code needed here> " in the get_diff function.
return int(ystr) - xint
Python Function return values must be stored in variables.
False
Falsenew_string = "Hello " + "World!" This will run without an error, true or false?
True
For the code: x = 3 + 9 * 2, the value of x is 21 when applying order of operations.
True
Function names cannot begin with a number as the first character.
True
name = "SKYE HOMSI" print("y" in name.lower()) What is the output from the above code?
True
while 3 < 5: is a forever loop just like while True: is.
True
Given x = 9, which line of code will evaluate False?
x<3
Which is a valid Python code comment?
# use comments to describe the function of code.
Which contains only integers?
1, 2, 0, -3, 2, -5
print("It's time to code") What is the output of the above code?
It's time to code
Which version of Python does this course cover?
Python 3
"Hello".isalpha()
True
What does the Python code: score = 3 + "45" result in?
TypeError
answer = input("enter your answer: ") print("You entered " + answer) If user input is 38, what is the output of the above code?
You entered 38
name = "Tobias" print(name == "Alton") What is the output from running the above code?
False
x = 3 y = 3 calculation = x/y print(calculation) What is the best estimate for the output of the above code?
1.0
def add_numbers(num_1, num_2 = 10): return num_1 + num_2 Choose the correct output of calling the function above using the following code: print(add_numbers(100))
110
calculation = 5 + 15 / 5 + 3 * 2 - 1 print(calculation) What is the best estimate for the output of the above code?
13.0
def add_num(num_1 = 10): print(num_1 + num_1) Choose the correct output of calling the above function using the following code: add_num()
20
1.name = input("enter your name") 2. print(name, "your score is", score) 3. score = 199 Order the above numbered code lines into the proper sequence.
3,1,2
num_1 = "" num_temp = "" num_final = "" while True: num_1 = input("Enter an integer: ") if num_1.isdigit(): num_final = num_temp + num_1 num_temp = num_final else: print(num_final) break What is the output from running the above code using the following input at the Enter an integer: prompt? 1st input: 3 2nd input: 4 3rd input: five 4th input: 6
34
The code print("I am", 17, "years old") will output: I am17years old
False
In Python string comparisons, lower case "a" is less than upper case "A".
True
count = 1 while count >= 1: print("loop") count +=1 What is the output from running the above code most like?
forever loop
It's Python Time! Choose the code that will not create the output shown above.
print("It's" + "Python Time!")
def show_name(): print("Tobias Ledford") Which code calls the function in the above code?
show_name()
What does type("Hello World!") return?
str
day = "monday" if day.capitalize() == "Monday": print("Start the week!") else: pass What is the output from running the above code?
"Start the week!"
vehicle_type = "Truck" if vehicle_type.upper().startswith("P"): print(vehicle_type, 'starts with "P"') else: print(vehicle_type, 'does not start with "P"') What is the output from running the above code?
"Truck does not start with "P""
name = "skye homsi" name_1 = name.title() name_2 = name_1.swapcase() print(name_2) What is the output from the above code?
"sKYE hOMSI"
if x < 0: print("-") else: if y >= 0: print("+/+") else: print("+/-") The nested conditional code is sure to be run if ___. (Choose the best answer.)
x=1
In Python, we can use the "+" operator to add numbers, but not to add strings.
False
Nested Conditional code always runs all sub-conditions that are indented under if statements.
False
Python cannot display quotes in strings using print().
False
Which code formats the string "Green" to "GREEN"?
.upper()
while True: will loop forever but can be interrupted using the Python keyword "end" inside the loop.
False
x = 3 y = 4 calculation = x*y print(calculation) What is the best estimate for the output of the above code?
12
def add_num(num_1 = 10): return num_1 + num_1 Choose the correct output of calling the function above using the following code: print(add_num(100))
200
num_1 = 3 num_2 = "8" What is the minimum code to mathematically add num_1 to num_2?
num_1 + int(num_2)
PriNt("Hello World!") will not output the message "Hello World!". What will it result in?
NameError
What does type(1024) return?
int
1. 2. score = add_score(190) 3. 4. print(name, "your score is", score) 5. At which line above should the following add_score() function definition be inserted so the program runs without error? def add_score(current): return current + 10
line 1
Hello World! What is the best choice of code to create the output shown above?
print("Hello\nWorld!")
size_num = "8 9 10" size = "8" # user input if size.isdigit() == False: print("Invalid: size should only use digits") elif int(size) < 8: print("size is too low") elif size in size_num: print("size is recorded") else: print("size is too high") What is the output from running the above code?
"size is recorded"
time = 3 while True: print('time is', time) if time == 3: time = 4 else: break What is the output from running the above code most like?
"time is 3" & "time is 4"
Which is not a way to run a code cell in a Jupyter Notebook?
Shift + R
assignment = 25 if assignment = 25: print('use "=" to assign values') else: pass What is the output of the above code?
SyntaxError
Escape sequences start with a backslash (\).
True
Jupyter Notebooks have code cells and markdown cells.
True
Like else, the elif can execute only when the previous if conditional evaluates False (shown in the below code sample). if response == 3: return "Correct" elif response <= 0: return "Correct" else: return "Incorrect"
True
The double equal sign (==) is used to compare values.
True
The input() function in Python returns user input as a string.
True
True and False are Boolean keywords in Python.
True
answer = input("enter your answer: ") True or false, this is an example of a correct function in Python.
True
length = "33" length.isallnum() What is the output of the above code?
True
answer = input("enter your answer: ") print(10 + answer) If user input is 38, what is the output of the above code?
TypeError
def ignore_case(name): answer = "" while answer.isalpha() == False: answer = input("enter last name: ") return answer.lower() == name.lower() When will the ignore_case function exit the while loop?
When only letters are entered at the input prompt
def add_numbers(num_1, num_2): Could a function with 2 integer parameters start with this definition?
Yes
print("Welcome the", 3, "New students!") Is this a properly formatted Python print() function example?
Yes