| Question | Answer |
| What keyword is used in Python to define a user-defined function?
define
function
func
def | def |
| Which of the following is NOT a valid type of function in Python?
Static
Lambda
User-Defined
Built-in | Static |
| What is the result of a function that contains no return statement?
None
Error
True
0 | None |
| Which symbol is used to mark the end of a function header?
:
;
.
_ | : |
| What Python construct allows you to create functions without a name?
lambda
macro
def function()
anonymous class | lambda |
| In Python, how do you indicate a function's documentation string?
comment
"""Docstring"""
'docstring'
// comment | """Docstring"" |
| Which keyword allows you to modify a global variable inside a function?
modify
access
override
global | global |
| What happens if you define a function parameter with a default value followed by a non-default parameter?
IndexError
The function works
SyntaxError
TypeError | SyntaxError |
| What is the correct syntax to define a lambda function that doubles the input x?
x * 2
lambda x : x * 2
lambda x: return x * 2
def double(x) : x * 2 | lambda x : x * 2 |
| Which keyword allows access to an enclosing function's variable when not in global scope?
enclose
static
extern
nonlocal | nonlocal |
| What Python function attribute allows access to a function's docstring?
doc
doc()
string
__doc__ | __doc__ |
| What does the *args syntax in a function definition represent?
Keyword argument
Arbitrary number of positional arguments
Optional argument
Required argument | Arbitrary number of positional arguments |
| Which of the following best describes a recursive function?
A function with many parameters
A function that returns multiple values
A function that calls itself
A function that runs in a loop | A function that calls itself |
| What must every recursive function include to prevent infinite recursion?
Loop
Break statement
Return
Base condition | Base condition |
| What function can be used along with lambda to transform all items in a list?
reduce()
apply()
map()
filter() | map() |
| Which statement about global variables is true in Python?
They must be declared global to modify inside a function
They are always modifiable inside functions
They are local by default
They require no special declaration | They must be declared global to modify inside a function |
| Which Python module feature helps break large programs into smaller files?
Blocks
Snippets
Packages
Modules | Modules |
| Which keyword allows importing specific elements from a module?
from
select
import only
get | from |
| Which of the following is required for a directory to be recognized as a Python package?
requirements.txt
main.py file
__init__.py file
setup.cfg | __init__.py file |
| Why is it not recommended to use 'from module import ' in production code?
It's slower
It disables garbage collection
It pollutes the namespace
It may import private methods | It pollutes the namespace |
| for i in range(10):
if i == 5:
break
else:
print(i)
else:
print("Here") | 0 1 2 3 4 |
| for i in range(10):
if i == 5:
break
else:
print(i)
else:
print("Here") | 0 1 2 3 4 |
| x = 'abcd'
for i in range(len(x)):
i[x].upper() # This line is syntactically incorrect
print(x) | Error |
| for i in "abcd"[::-1]:
print(i) | dcba |
| x = 2
for i in range(x):
x += 1
print(x) | 34 |
| i = 0
while i < 3:
print(i)
i += 1
else:
print(0) | 0120 |
| for i in [1, 2, 3, 4][::-1]:
print(i) | 4321 |
| x = 123
for i in x:
print(i) | error |
| x = 'abcd'
for i in range(len(x)):
i.upper()
print(x) | error |
| x = 'abcd'
for i in range(len(x)):
i.upper()
print(x) | Error |
| x = "abcdef"
while i in x:
print(i, end="") | Error |
| for i in range(int(2.0)):
print(i) | 0 1 |
| d = {0: 'a', 1: 'b', 2: 'c'}
for x, y in d.items():
print(x, y) | 0 a 1 b 2 c |
| d = {0: 'a', 1: 'b', 2: 'c'}
for x in d.values():
print(d[x]) | Error |
| i = 1
while True:
if i % 3 == 0:
break
print(i)
i += 1 | 1 2 |
| x = "abcdef"
i = "a"
while i in x:
x = x[:-1]
print(i, end = "")
choices
aaaaaa
aaaaa
iiiiii
none of the mentioned | aaaaaa |
| x = 'abcd'
for i in x:
print(i.upper())
choices
error
ABCD
abcd
a B C D | ABCD |
| def sample(k):
k[0] = 1
q = [0]
sample(q)
print(q)
choice:
Error
0
1
None of the mentioned | [1] |
| def sample():
total += 1
return total
total = 0
print(sample())
choices:
Error
0
1
None of the mentioned | Error |
| Python supports the creation of anonymous functions at runtime, using a construct called __________.
anonymous
None of the mentioned
Lambda
pi | Lambda |
| def say(message, times = 1):
print(message * times)
say('Hello')
say('World', 5)
Choices
Hello World 5
Hello HelloHelloHelloHelloHello
Hello, World,World,World,World,World
Hello WorldWorldWorldWorldWorldWorld | Hello WorldWorldWorldWorldWorldWorld |
| y = 6
z = lambda x: x * y
print(z(8)) | 48 |
| def change(i = 1, j = 2):
i = i + j
j = j + 1
print(i, j)
change(j = 1, i = 2)
choices
An exception is thrown because of conflicting values
3 2
3 3
1 2 | 3 2 |
| def hadji(x):
print(x + 1)
x = -2
x = 4
hadji(12) | 13 |
| Which are the advantages of functions in python?
Improving clarity of the code
Decomposing complex problems into simpler pieces
All of the mentioned
Reducing duplication of code | All of the mentioned |
| def C2F(c):
return c * 9 / 5 + 32
print C2F(100)
print C2F(0)
Choices
212 32
314 24
None of the mentioned
567 98 | 212 32 |
| What are the three main types of functions?
System Functions
Custom Functions
Built in Functions
User Functions | Built-in function |
| def writer():
title = "Sir"
name = (lambda x:title + " " + x)
return name
who = writer()
who('Hadji') | Error |
| def a(b):
b = b + [5]
c = [1, 2, 3, 4]
a(c)
print(len(c)) | 4 |
| def sample():
return total + 1
total = 0
print(sample()) | 1 |
| Which keyword is used for function?
Function
Def
Fun
Define | Def |
| def maximum(x, y):
if x > y:
return x
elif x == y:
return 'The numbers are equal'
else: # This implicitly means x < y
return y
print(maximum(2, 3)) | 3 |
