Tuples and Dictionaries
Meghalaya Board · Class 11 · Computer Science
Complete topic list for Tuples and Dictionaries in Meghalaya Board Class 11 Computer Science. Key concepts, sub-topics, and what to focus on for board exams.
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Topics in Tuples and Dictionaries
Introduction to Tuples
- A tuple is an ordered sequence of elements of different data types (integer, float, string, list, or even another tuple)
- Elements are enclosed in parentheses () and separated by commas
- Tuples are indexed starting from 0, similar to lists and strings
Tuple Operations and Methods
- Concatenation (+): Joins two or more tuples to create a new tuple
- Repetition (*): Repeats tuple elements specified number of times
- Membership (in, not in): Checks if element exists in tuple
Tuple Assignment and Nested Tuples
- Tuple assignment allows assigning values from tuple to multiple variables simultaneously
- Number of variables must equal number of elements in tuple
- Expressions on right side are evaluated before assignment
Introduction to Dictionaries
- Dictionary is a mapping data type with key-value pairs
- Items are ordered (maintain insertion order in Python 3.7+)
- Created using curly braces {} with key:value pairs separated by commas
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