Question 3 - Short Answer Type Questions (2/3 Marks each) - Chapter 8 Class 11 - Strings

Which string method is used to implement the following:

(i) to count the number of characters in the string.

(ii) to change the first character of the string to uppercase.

(iii) to check whether a given character is a letter or a number.

(iv) to change lowercase letters to uppercase.

(v) change one character to another character.

Answer:

1. len(str)  
2. str.capitalize()  
3. ch.isalnum()  
4. str.upper()  
5. str.replace(old,new)