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String.pdf
- 1. LECTURE – STRINGS BY: ABHISHEK BHARDWAJ PGT- COMPUTER SCIENCE
- 6. String Operators Character ASCII Code A 65 B 66 a 97 b 98
- 10. Length of the String & Printing String Character by Character (Traversing a String using Loop) CODE SNIPPET OUTPUT CODE SNIPPET OUTPUT
- 11. Capitalize String’s First Character CODE SNIPPET OUTPUT OUTPUT From the above Output, it is clear that capitalize() only changes the String shown in output, but it does not change the Original String.
- 12. Program to Find Reverse a String (Method 1 : String Slicing) CODE SNIPPET OUTPUT Start from Backward Index i. e. -1 Index End not defined means default till end i. e. 0 Index Step Value i.e. -1 Decrease by 1 in each step
- 13. Program to Find Reverse a String (Method 2 : Programming Capabilities) CODE SNIPPET OUTPUT Length of String -1 means last character of string End is defined as -1 because it is taken as one less than actual value i.e. 0 Step Value i.e. -1
- 14. Program to Count Total Vowels and Consonants in a String CODE SNIPPET Start from 0 Index Step Value by default will increase by 1 in each step OUTPUT End is defined as end of string index
- 15. String Functions
- 16. Program to Find Lowest Index in the String where Substring is found CODE SNIPPET Start from 0 Index End Index one less from the string length OUTPUT Substring to Find
- 17. Program to Check whether given String is Palindrome or Not? CODE SNIPPET Step Value i.e. -1 Decrease by 1 in each step OUTPUT Start from Backward Index i. e. -1 Index End not defined means default till end i. e. 0 Index
- 18. String Functions
- 19. String Functions
- 20. String Functions
- 21. String Functions title() : Make the first letter in each word upper case. CODE SNIPPET OUTPUT lower() : Lower case the string CODE SNIPPET OUTPUT
- 22. String Functions upper() : Upper case the string. CODE SNIPPET OUTPUT count() : Return the number of times a specified value appears in the string. CODE SNIPPET OUTPUT
- 23. String Functions index() : The index() method finds the first occurrence of the specified value. The index() method raises an exception if the value is not found . CODE SNIPPET OUTPUT
- 24. String Functions endswith() : The endswith() method returns True if the string ends with the specified value, otherwise False. Syntax : string.endswith(value, start, end). CODE SNIPPET OUTPUT
- 25. String Functions startswith() : The startswith() method returns True if the string starts with the specified value, otherwise False. Syntax : string.startswith(value, start, end) CODE SNIPPET OUTPUT
- 26. String Functions isalpha() : The isalpha() method returns True if all the characters are alphabet letters (a-z). Syntax : string.isalpha() CODE SNIPPET OUTPUT
- 27. String Functions islower() : The islower() method returns True if all the characters in the text are in lower case, otherwise False. Numbers, symbols and spaces are not checked. Syntax : string.islower() CODE SNIPPET OUTPUT
- 28. String Functions isupper() : The isupper() method returns True if all the characters in the text are in upper case, otherwise False. Numbers, symbols and spaces are not checked. Syntax : string.isupper() CODE SNIPPET OUTPUT
- 29. String Functions lstrip() : The lstrip() method removes any leading characters. (space is the default leading character to remove) Syntax : string.lstrip(characters) CODE SNIPPET OUTPUT
- 30. String Functions rstrip() : The rstrip() method removes any trailing characters (characters at the end a string), space is the default trailing character to remove. Syntax : string.rstrip(characters) CODE SNIPPET OUTPUT
- 31. String Functions strip() : The strip() method removes any leading (spaces at the beginning) and trailing (spaces at the end) characters. (space is the default leading character to remove) Syntax : string.strip(characters) CODE SNIPPET OUTPUT
- 32. String Functions replace() : The replace() method replaces a specified phrase with another specified phrase. Syntax : string.replace(oldvalue, newvalue, count) CODE SNIPPET OUTPUT
- 33. String Functions join() : The join() method takes all items in an iterable and joins them into one string. A string must be specified as the separator. Syntax : string.join(iterable) Any iterable object where all the returned values are strings CODE SNIPPET OUTPUT CODE SNIPPET OUTPUT When using a dictionary as an iterable, the returned values are the keys, not the values.
- 34. String Functions partition() : The partition() method searches for a specified string, and splits the string into a tuple containing three elements. The first element contains the part before the specified string. The second element contains the specified string. The third element contains the part after the string. Syntax : string.partition(value) CODE SNIPPET OUTPUT # This method searches for the first occurrence of the specified string. # If the specified value is not found, the partition() method returns a tuple containing: 1 - the whole string, 2 - an empty string, 3 - an empty string.
- 35. String Functions split() : The split() method splits a string into a list. You can specify the separator (default separator is any whitespace). Syntax : string.split(separator, maxsplit) CODE SNIPPET OUTPUT separator - Optional. Specifies the separator to use when splitting the string. By default any whitespace is a separator. maxsplit - Optional. Specifies how many splits to do. Default value is -1, which is "all occurrences"
- 36. String Functions - split() CODE SNIPPET OUTPUT separator - Optional. Specifies the separator to use when splitting the string. By default any whitespace is a separator. maxsplit - Optional. Specifies how many splits to do. Default value is -1, which is "all occurrences"