String Operations Part(2) In Python
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Lecture 72:- String Operations Part(2) In Python
Continuing from the previous string operations, here are some more commonly used string operations in Python:
- Removing Whitespace: You can remove leading and trailing whitespace from a string using the
strip(),lstrip(), andrstrip()methods.pythonCopy code
string = " Hello, World! " print(string.strip()) # Output: "Hello, World!" print(string.lstrip()) # Output: "Hello, World! " print(string.rstrip()) # Output: " Hello, World!"
- String Splitting and Joining: The
split()method splits a string into a list of substrings based on a delimiter. Thejoin()method joins a list of strings into a single string using a specified delimiter.pythonCopy code
string = "apple,banana,orange" fruits_list = string.split(",") print(fruits_list) # Output: ['apple', 'banana', 'orange'] fruits = ["apple", "banana", "orange"] fruits_string = ",".join(fruits) print(fruits_string) # Output: "apple,banana,orange"
- Finding Substrings and Counting Occurrences: The
find()method finds the index of the first occurrence of a substring. If the substring is not found, it returns -1. Thecount()method counts the number of occurrences of a substring in a string.pythonCopy code
string = "Hello, Hello, World!" print(string.find("Hello")) # Output: 0 print(string.find("Python")) # Output: -1 print(string.count("Hello")) # Output: 2
- String Formatting with str.format(): The
str.format()method allows you to format strings with placeholders and replacement fields.pythonCopy code
name = "Alice" age = 30 formatted_string = "My name is {} and I am {} years old.".format(name, age) print(formatted_string) # Output: "My name is Alice and I am 30 years old."
- String Reversal: You can reverse a string using slicing.
pythonCopy code
string = "Hello, World!" reversed_string = string[::-1] print(reversed_string) # Output: "!dlroW ,olleH"
- Checking String Types: Python provides several methods to check if a string has a specific type of characters.
pythonCopy code
text = "Hello123" print(text.isalpha()) # Output: False (Contains digits) print(text.isdigit()) # Output: False (Contains alphabetic characters) print(text.isalnum()) # Output: True (Contains only alphabetic characters and digits) print(text.islower()) # Output: False (Not all characters are lowercase) print(text.isupper()) # Output: False (Not all characters are uppercase)These are some additional string operations that can be very useful when working with strings in Python. Python's built-in string methods provide a wide range of functionalities, making string processing efficient and straightforward.
- 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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