1. Differentiate between the round() and floor() functions with the help of suitable example. 
2. Which string method is used to implement the following: 
	• To count the number of characters in the string 
	• To change the first character of the string in capital letter 
	• To change lowercase to uppercase letter
 	• To check whether the given character is letter or a number 
 
3. What are default arguments? 
4. What is the difference between actual and formal parameters? 
5. What is a recursive function? 
6. What is the difference between built-in functions and modules? 
7. What is the difference between local variable and global variable? 
8. What are the advantages of writing functions with keyword arguments? 
9. What do you mean by scope of variables? 
10. Which of the following is valid arithmetic operator in Python: 
	(i) //  (ii) ?  (iii) <  (iv) and 
11. Write the type of tokens from the following:        
	(i) if  (ii) roll_no 
12. Which of the following are valid operators in Python: 
	(i) **   (ii) */   (iii) like  (iv) ||      (v) is  (vi) ^     (vii) between   (viii) in 
13. Which of the following can be used as valid variable identifier(s) in Python?  
(i) 4thSum  (ii) Total  (iii) Number#  (iv) _Data