This section contains carefully selected MCQs and Previous Year Questions with explanations to help students understand concepts and prepare effectively for examinations, interviews, and competitive tests.
Q: 1The given declaration statement in Python Language belongs to which data type?
>>>Student ={‘SUBJECT’ : ‘Compiler’, ‘Marks’ : ‘50’, ‘Grade’ : ‘C’}
Option D
In Python, a Dictionary is a data type used to store data in the form of key–value pairs. Dictionaries are enclosed within curly braces { }. Each key is associated with a value using a colon : (colon).
In the given statement Student = {'SUBJECT':'Compiler', 'Marks':'50', 'Grade':'C'}
Q: 2What is output of the code in Python Language:
>>> str1 = ‘All the Best’
>>> str1[-3]
Option B
In Python, negative indexing is used to access characters from the end (right side) of a string.
| Positive Index | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Character | A | l | l | t | h | e | B | e | s | t | ||
| Negative Index | -12 | -11 | -10 | -9 | -8 | -7 | -6 | -5 | -4 | -3 | -2 | -1 |
The character at index str1[-3] is 'e'.
Q: 3What will be the output of the following Python script?
>>>L=[‘spam’, ‘Spam’, ‘SPAM!’]
>>>L[-2]
Option A
In Python, negative indexes count from the end of the list.
Positive Indexing starts from left to right:
Index: 0 1 2
Value: 'spam' 'Spam' 'SPAM!'
Negative Indexing start from right to left:
Index: -3 -2 -1
Value: 'spam' 'Spam' 'SPAM!'
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