Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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What is used to concatenate two strings in Python?
a. | , operator | c. | + operator | b. | # operator | d. | ^ operator |
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2.
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The method to remove an entry from a dictionary is named?
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3.
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Suppose a list with name test, contains 10 elements. You can get the 5th
element from the test list using:
a. | test[4] | c. | test[5] | b. | test[‘5’] | d. | test[‘4’] |
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4.
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Erases the contents of an existing file?
a. | outfile = open(“temp.txt”,”a”) | c. | outfile =
open(“temp.txt”, “r”) | b. | outfile = open(“temp.txt”,
“w”) |
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5.
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Which data type represents a whole number?
a. | Integer | c. | Float | b. | String | d. | Boolean |
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6.
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Which Python statement will check to see if a is greater than or equal to
b?
a. | if a >=b: | c. | if (a > b) | b. | if a>b: | d. | if a is greater than
b |
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7.
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The if..elif..else executes only one block of code among several
blocks.
a. | There is no elif statement in Python | c. | True | b. | It depends on
expression used. | d. | False |
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8.
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What is used to take input from the user in Python?
a. | input( ) | c. | print( ) | b. | scan( ) | d. | <> |
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9.
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To obtain the length of a string, you can use which function?
a. | index( ) | c. | length_input( ) | b. | len( ) | d. | length( ) |
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10.
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Which of the following commands can be used to read the entire contents of a
file as a string using the file object <tmpfile>?
a. | tmpfile.readlines(n) | c. | tmpfile.read(n) | b. | tmpfile.read( ) | d. | tmpfile.readline(n) |
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11.
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Which of the following statements is true?
a. | the continue statement is used to skip the rest of the code inside the
loop | c. | the break statement terminates the loop containing it | b. | All of the
above. | d. | the break and
continue statements are almost always used with the if, if...else, and if...elif...else
statements. |
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12.
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What is the output of the following code?
while 4 = =
4:
print(‘4’)
a. | 4 is printed infinitely until program closes | c. | 4 is printed four
times | b. | 4 is printed once | d. | Syntax error |
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13.
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Which term is used to describe expressions that result in the value of either
true or false?
a. | Concatenation | c. | Boolean | b. | Conditional | d. | Selection |
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14.
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Python statement needed to use math.pi?
a. | import os | c. | import random | b. | import sys | d. | import math |
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15.
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A syntax error in code means:
a. | Python cannot find the file to pass the code to | c. | there was an error with your typing
and code structure | b. | you have not used enough
characters | d. | there was no
defined index |
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16.
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Which of these would be used to loop through instructions exactly 10
times?
a. | If statement | c. | FOR loop | b. | WHILE loop |
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17.
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Which of the following is correct?
a. | A variable name can start with a digit | c. | A variable name can start with a
underscore | b. | A variable name can have symbols like: @, #, $ etc. | d. | Reserved words can be used as a variable
name |
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18.
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Comments are ignored by the Python interpreter. What symbol is needed at the
beginning of the comment?
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19.
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What is used to define a body of a loop?
a. | indentation | c. | parenthesis | b. | curly braces | d. | quotation |
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20.
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In the following code, num is a ____?
num = ‘5’
a. | boolean | c. | string | b. | float | d. | integer |
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