Membership Test Operators in Python
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Lecture 24:- Membership Test Operators in Python
In Python, membership test operators are used to check if a value exists within a collection, such as a list, tuple, set, or string. These operators allow you to determine if a particular element is present in the given collection. There are two membership test operators in Python:
inoperator: Theinoperator returnsTrueif the specified value is present in the collection, andFalseotherwise.Example:
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# List membership test numbers = [1, 2, 3, 4, 5] print(3 in numbers) # Output: True print(6 in numbers) # Output: False # String membership test text = "Hello, World!" print("Hello" in text) # Output: True print("Python" in text) # Output: FalseIn this example, the
inoperator is used to check if the values 3 and 6 are present in the listnumbers, and the values "Hello" and "Python" are present in the stringtext.
not inoperator: Thenot inoperator is the negation of theinoperator. It returnsTrueif the specified value is not present in the collection, andFalseif the value is present.Example:
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# Tuple membership test fruits = ("apple", "banana", "orange") print("apple" not in fruits) # Output: False print("grape" not in fruits) # Output: TrueIn this example, the
not inoperator is used to check if the values "apple" and "grape" are present in the tuplefruits.Membership test operators are commonly used to check for the existence of specific elements in collections before performing certain actions or making decisions based on their presence. They are particularly useful when dealing with lists, tuples, sets, and strings in Python.
- 1. Background Part 1 (IO Devices, CPU and Memory) In Python
- 2. Background Part 2 (Computer Organization & Operating System) In Python
- 3. Why Do We Need Programming Languages in Python
- 4. Python Introduction in Python
- 5. Python Standard and Implementations in Python
- 6. How Python Programs are Executed
- 7. Python Programming Terminology
- 8. Python Installation and First Program
- 9. Comments in Python
- 1. Arithmetic Operators in Python
- 2. Logical Operators in Python
- 3. Identity Comparison Operators in Python
- 4. Membership Test Operators in Python
- 5. Bitwise Operators in Python Part 1
- 6. Bitwise Operators In Python Part 2
- 7. Arithmetic Progression nth Term in Python
- 8. Geometric Progression nth Term in Python
- 9. Sum Of Natural numbers In Python
- 10. Find Last Digit In Python
- 11. Day Before N Days In Python
- 1. Loops In Python
- 2. While Loops In Python
- 3. range() In Python
- 4. For Loop In Python
- 5. Table Of A Number In Python
- 6. Break In Python
- 7. Continue In Python
- 8. Nested Loop In Python
- 9. Square Pattern In Python
- 10. Printing Triangle Pattern In Python
- 11. Inverted Triangle In Python
- 12. Pyramid Pattern In Python
- 13. Count Digits In Python
- 14. Factorial In Python
- 15. GCD In Python
- 16. LCM In Python
- 17. Fibonacci Numbers In Python
- 18. Check For Prime In Python
- 19. All Divisors In Python
- 20. Optimizations Of All Divisors And Prime Python
- 1. Strings In Python
- 2. Escape Sequences And Raw Strings Python
- 3. Formatted String In Python
- 4. String Operations Part(1) In Python
- 5. String Operations Part(2) In Python
- 6. String Comparison in Python
- 7. Pattern Searching In Python
- 8. Check For Palindrome In Python
- 9. Reverse A String In Python
- 10. Decimal to Binary In Python
- 11. Binary to Decimal Conversion In Python
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