String Operations Part(1) In Python
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Lecture 71:- String Operations Part(1) In Python
String operations in Python allow you to manipulate and work with strings. Here are some common string operations in Python:
- Concatenation: Concatenation is the process of combining two or more strings to form a single string. You can use the
+operator to concatenate strings.pythonCopy code
str1 = "Hello, " str2 = "World!" result = str1 + str2 print(result) # Output: "Hello, World!"
- String Length: The
len()function returns the length of a string, which is the number of characters in the string.pythonCopy code
string = "Python" print(len(string)) # Output: 6
- String Slicing: Slicing allows you to extract a substring from a larger string based on its index positions. The syntax is
string[start:end], wherestartis the index of the first character you want to include in the substring, andendis the index of the first character you want to exclude from the substring.pythonCopy code
string = "Hello, World!" print(string[0:5]) # Output: "Hello"
- String Repetition: You can repeat a string multiple times using the
*operator.pythonCopy code
string = "Python " repeated_string = string * 3 print(repeated_string) # Output: "Python Python Python "
- Changing Case: Python provides several methods to change the case of strings:
pythonCopy code
string = "Python Programming" print(string.lower()) # Output: "python programming" print(string.upper()) # Output: "PYTHON PROGRAMMING" print(string.title()) # Output: "Python Programming"
- String Formatting (f-strings or str.format()): Formatted strings allow you to embed variables or expressions inside the string.
pythonCopy code
name = "Alice" age = 30 formatted_string = f"My name is {name} and I am {age} years old." print(formatted_string) # Output: "My name is Alice and I am 30 years old."
- Checking Substring Presence: You can use the
inoperator to check if a substring exists within a string.pythonCopy code
string = "Hello, World!" print("World" in string) # Output: True print("Python" in string) # Output: FalseThese are some of the fundamental string operations in Python. Strings are versatile and have many built-in methods that allow you to manipulate and process textual data efficiently.
- 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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