The Ultimate Python Programming MCQ Test
- 1.In Python, strings are…
- A.
Str objects
- B.
Char arrays
- C.
Changeable
- 2.In Python, strings are...
- A.
Changeable
- B.
Char arrays
- C.
Immutable
- 3.The minsplit parameter to split() specifies the minimum number of splits to make to the input string.
- A.
False
- B.
True
- 4.Which of the following would separate a string input_string on the first 2 occurrences of the letter "e"?
- A.
'e'.split(input_string, 2)
- B.
Input_string.split('e', maxsplit=2)
- C.
'e'.split(input_string, maxsplit= 2)
- 5.Which of the following would separate a string input_string on the first 2 occurrences of the letter "e"?
- A.
Input_string.split('e', 2)
- B.
'e'.split(input_string, maxsplit=2)
- C.
'e'.split(input_string, 2)
- 6.Python strings have a property called “immutability”. What does this mean?
- A.
You can update a string in Python with concatenation
- B.
Strings in Python can be represented as arrays of char
- C.
Strings can’t be divided by numbers
- D.
Strings in Python can’t be changed
- 7.If you want to transform a list of strings input_list into a single string with a comma between each item, which of the following would you give as the input to join()?
- A.
','
- B.
Input_list
- C.
Str
- D.
String
- 8.Which of the following mathematical operators can be used to concatenate strings:
- A.
+
- B.
-
- C.
/
- 9.Which of the following mathematical operators can be used to concatenate strings:
- A.
/
- B.
*
- C.
-
- D.
Option 4
- 10.Assume x and y are assigned as follows: x=5, y=-5. What is the effect of this statement: x, y = (y, x)[::-1]
- A.
Both x and y are 5
- B.
The values of x and y are swaped
- C.
The values of x and y are unchanged
- D.
Both x and y are -5
- 11.In regards to separated value files such as .csv and .tsv, what is the delimiter?
- A.
Any character such as the comma (,) or tab (\t) that is used to separate the row data
- B.
Delimiters are not used in separated value files
- C.
Anywhere the comma (,) character is used in the file
- D.
Any character such as the comma (,) or tab (\t) that is used to separate the column data
- 12.In separated value files such as .csv and .tsv what does the first row in the file typically contain?
- A.
The author of the table data
- B.
The column names of the data
- C.
The source of the data
- D.
Notes about the table data
- 13.Consider this assignment statement: a,b,c = (1,2,3,4,5,6,7,8,9)[1::3]. Following execution of this statement, what is the value of b:
- A.
2
- B.
4
- C.
5
- D.
6
- 14.Which of the following is the correct way to open the CSV file hrdata.csv for reading using the pandas package? Assume that the pandas package has already been imported.
- A.
Pandas.read_csv('hrdata.csv')
- B.
Pandas.open('hrdata.csv', 'r')
- C.
Pandas.read_table('hrdata.csv')
- D.
Pandas.open_csv('hrdata.csv', 'r')
- 15.. What is a correct syntax to output “Hello World” in Python?
- A.
P("Hello, World")
- B.
Echo "Hello, World"
- C.
Echo ("Hello, World")
- D.
Print("Hello, World")
- 16.How do you insert COMMENTS in Python code?
- A.
<--this is a comment-->
- B.
/*this is a comment*/
- C.
#this is a comment
- D.
//this is a comment//
- 17.Which collection is ordered, changeable, and allows duplicate members?
- A.
TUPLE
- B.
SET
- C.
LIST
- D.
DICTIONARY
- 18.
- Which of the following are true about python lists?
- A.
These represent the same list: ['a', 'b', 'c'] ['c', 'a', 'b']
- B.
All elements in a list must be of the same type
- C.
A given object may appear in a list more than once
- D.
There is no conceptual limit to the size of a list
- 19.Which collection does not allow duplicate members?
- A.
TUPLE
- B.
SET
- C.
LIST
- 20.
- Assume the following list definition:
- A.
· >>> print(a[4::-2]) ['quux', 'baz', 'foo']
- B.
· >>> a[:] is a True
- C.
· >>> print(a[-5:-3]) ['bar', 'baz']
- D.
· >>> max(a[2:4] + ['grault']) 'qux'
- E.
· >>> print(a[-6]) Traceback (most recent call last): File "<stdin>", line 1, in <module> IndexError: list index out of range
- 21.A collection which is unordered, changeable and does not allow duplicates.
- A.
TUPLE
- B.
SET
- C.
LIST
- D.
DICTIONARY
- 22.A collection which is ordered and unchangeable.
- A.
TUPLE
- B.
SET
- C.
LIST
- D.
DICTIONARY
- 23.How do you start writing an if statement in Python?
- A.
If x > y:
- B.
If x > y then:
- C.
If (x > y)
- 24.How do you start writing a while loop in Python?
- A.
While x > y:
- B.
While (x > y)
- C.
X > y while {
- D.
While x>y {
- 25.Select the ones you like List a is defined as follows: a = [1, 2, 3, 4, 5] Select all of the following statements that remove the middle element 3 from a so that it equals [1, 2, 4, 5]:
- A.
A[2]=[ ]
- B.
A[2:3]=[ ]
- C.
A.remove(3)
- D.
A[2:2]=[ ]
- E.
Del a[2]
Questions: 37 | Attempts: 7132 | Last updated: Dec 21, 2020
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