McqMate
Chapters
| 201. |
Hence the result of this expression is 27.2. |
| A. | 4.7 – 1.5 |
| B. | 7.9 * 6.3 |
| C. | 1.7 % 2 |
| D. | 3.4 + 4.6 |
| Answer» C. 1.7 % 2 | |
| 202. |
Which keyword is used for function? |
| A. | fun |
| B. | define |
| C. | def |
| D. | function |
| Answer» C. def | |
| 203. |
Which are the advantages of functions in python? |
| A. | reducing duplication of code |
| B. | decomposing complex problems into simpler pieces |
| C. | improving clarity of the code |
| D. | all of the mentioned |
| Answer» D. all of the mentioned | |
| 204. |
What is called when a function is defined inside a class? |
| A. | module |
| B. | class |
| C. | another function |
| D. | method |
| Answer» D. method | |
| 205. |
Lambda contains block of statements. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 206. |
min(101*99, 102*98) |
| A. | 9997 |
| B. | 9999 |
| C. | 9996 |
| D. | none of the mentioned |
| Answer» C. 9996 | |
| 207. |
How are keyword arguments specified in the function heading? |
| A. | one-star followed by a valid identifier |
| B. | one underscore followed by a valid identifier |
| C. | two stars followed by a valid identifier |
| D. | two underscores followed by a valid identifier |
| Answer» C. two stars followed by a valid identifier | |
| 208. |
print(foo()) |
| A. | 0 |
| B. | 1 |
| C. | error |
| D. | none of the mentioned |
| Answer» C. error | |
| 209. |
How are variable length arguments specified in the function heading? |
| A. | one star followed by a valid identifier |
| B. | one underscore followed by a valid identifier |
| C. | two stars followed by a valid identifier |
| D. | two underscores followed by a valid identifier |
| Answer» A. one star followed by a valid identifier | |
| 210. |
What is the value stored in sys.argv[0]? |
| A. | null |
| B. | you cannot access it |
| C. | the program’s name |
| D. | the first argument |
| Answer» C. the program’s name | |
| 211. |
How are default arguments specified in the function heading? |
| A. | identifier followed by an equal to sign and the default value |
| B. | identifier followed by the default value within backticks (“) |
| C. | identifier followed by the default value within square brackets ([]) |
| D. | identifier |
| Answer» A. identifier followed by an equal to sign and the default value | |
| 212. |
Where are the arguments received from the command line stored? |
| A. | sys.argv |
| B. | os.argv |
| C. | argv |
| D. | none of the mentioned |
| Answer» A. sys.argv | |
| 213. |
To open a file c:\scores.txt for reading, we use |
| A. | infile = open(“c:\\scores.txt”, “r”) |
| B. | infile = open(“c:\\scores.txt”, “r”) |
| C. | infile = open(file = “c:\\scores.txt”, “r”) |
| D. | infile = open(file = “c:\\scores.txt”, “r”) |
| Answer» B. infile = open(“c:\\scores.txt”, “r”) | |
| 214. |
To read the remaining lines of the file from a file object infile, we use |
| A. | infile.read(2) |
| B. | infile.read() |
| C. | infile.readline() |
| D. | infile.readlines() |
| Answer» D. infile.readlines() | |
| 215. |
What is the current syntax of remove() a file? |
| A. | remove(file_name) |
| B. | remove(new_file_name, current_file_name,) |
| C. | remove(() , file_name)) |
| D. | none of the mentioned |
| Answer» A. remove(file_name) | |
| 216. |
Which of the following mode will refer to binary data? |
| A. | r |
| B. | w |
| C. | + |
| D. | b |
| Answer» D. b | |
| 217. |
What is the difference between r+ and w+ modes? |
| A. | no difference |
| B. | in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+ |
| C. | in w+ the pointer is initially placed at the beginning of the file and the pointer is at the end for r+ |
| D. | depends on the operating system |
| Answer» B. in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+ | |
| 218. |
How do you get the name of a file from a file object (fp)? |
| A. | fp.name |
| B. | fp.file(name) |
| C. | self. name (fp) |
| D. | fp. name () |
| Answer» A. fp.name | |
| 219. |
Which function overloads the + operator? |
| A. | add () |
| B. | plus () |
| C. | sum () |
| D. | none of the mentioned |
| Answer» A. add () | |
Done Reading?