11.  Mathematical operations can be performed on a string in Python? State whether true or false:

1. False
2. True

12. . Which one of the following is not a python’s predefined data type?

1. List
2. Dictionary
3. Tuple
4. Class

13. . Which of the following has more precedence?

1. +
2. ()
3. /
4. –

14.  In which language is Python written?

1. English
2. PHP
3. C
4. All of the above

15. Do we need to compile a program before execution in Python?

1. No
2. Yes

16. How to convert the uppercase letters in the string to lowercase in Python?

1. lowercase()
2. capilaize()
3. lower()
4. toLower()

17. How to capitalize only the first letter of a sentence in Python?

1. uppercase() method
2. capitalize() method
3. upper() method
4. None of the above

18. How to convert the lowercase letters in the string to uppercase in Python?

1. uppercase()
2. toUpper()
3. capitalize()
4. upper()

19. How to check whether all the characters in a string is printable?

1. print() method
2. printable() method
3. isprintable() method
4. echo() method

20. How to swap case in Python i.e. lowercase to uppercase and vice versa?

1. casefold() method
2. case() method
3. convert() method
4. swapcase() method