Python Questions and Answers Part-17

1. What will be the output of the following Python code snippet?
print('abcdefcdghcd'.split('cd', 2))
a) [‘ab’, ‘ef’, ‘ghcd’]
b) [‘ab’, ‘efcdghcd’]
c) [‘abcdef’, ‘ghcd’]
d) none of the mentioned

Answer: a
Explanation: The string is split into a maximum of maxsplit+1 substrings.

2. What will be the output of the following Python code snippet?
print('ab\ncd\nef'.splitlines())
a) [‘ab’, ‘cd’, ‘ef’]
b) [‘ab\n’, ‘cd\n’, ‘ef\n’]
c) [‘ab\n’, ‘cd\n’, ‘ef’]
d) [‘ab’, ‘cd’, ‘ef\n’]

Answer: a
Explanation: It is similar to calling split(‘\n’).

3. What will be the output of the following Python code snippet?
print('Ab!2'.swapcase())
a) AB!@
b) ab12
c) aB!2
d) aB1@

Answer: c
Explanation: Lowercase letters are converted to uppercase and vice-versa.

4. What will be the output of the following Python code snippet?
print('ab cd ef'.title())
a) Ab cd ef
b) Ab cd eF
c) Ab Cd Ef
d) None of the mentioned

Answer: c
Explanation: The first letter of every word is capitalized.

5. What will be the output of the following Python code snippet?
print('ab cd-ef'.title())
a) Ab cd-ef
b) Ab Cd-ef
c) Ab Cd-Ef
d) None of the mentioned

Answer: c
Explanation: The first letter of every word is capitalized. Special symbols terminate a word.

6. What will be the output of the following Python code snippet?
print('abcd'.translate('a'.maketrans('abc', 'bcd')))
a) bcde
b) abcd
c) error
d) bcdd

Answer: d
Explanation: The output is bcdd since no translation is provided for d.

7. What will be the output of the following Python code snippet?
print('abcd'.translate({97: 98, 98: 99, 99: 100}))
a) bcde
b) abcd
c) error
d) none of the mentioned

Answer: d
Explanation: The output is bcdd since no translation is provided for d.

8. What will be the output of the following Python code snippet?
print('abcd'.translate({'a': '1', 'b': '2', 'c': '3', 'd': '4'}))
a) abcd
b) 1234
c) error
d) none of the mentioned

Answer: a
Explanation: The function translate expects a dictionary of integers. Use maketrans() instead of doing the above.

9. What will be the output of the following Python code snippet?
print('ab'.zfill(5))
a) 000ab
b) 00ab0
c) 0ab00
d) ab000

Answer: a
Explanation: The string is padded with zeros on the left hand side. It is useful for formatting numbers.

10. What will be the output of the following Python code snippet?
print('+99'.zfill(5))
a) 00+99
b) 00099
c) +0099
d) +++99

Answer: c
Explanation: zeros are filled in between the first sign and the rest of the string.