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71 questions
1
2
3
4
Hard
15 votes
1598 runs
0 comment
Write a Python function that prints the elements of a list.
Back-end developer
list
for loop
at Mar 28, 2022
Medium
8 votes
1447 runs
0 comment
Use the zip() function to iterate over two lists in parallel.
Back-end developer
list
zip
at Mar 28, 2022
Hard
7 votes
1994 runs
0 comment
Which of the following statements are true ?
Back-end developer
functions
variables
at Mar 28, 2022
Medium
7 votes
1642 runs
0 comment
Start a HTTP server from the CLI with python
Back-end developer
cli
http
at Jan 23, 2023
Hard
6 votes
2036 runs
2 comments
What type of array is the following?
Back-end developer
arrays
multidimensional
bidimensional
at Mar 28, 2022
Medium
5 votes
1991 runs
3 comments
Which of the following statements are true ?
Back-end developer
php
arrays
at Mar 28, 2022
Medium
5 votes
1654 runs
0 comment
Write a PHP class with a constant and a public method that outputs the constant.
Back-end developer
constants
classes
at Mar 28, 2022
Easy
5 votes
1458 runs
0 comment
What type is `function_a` in the following code ?
Back-end developer
functions
decorators
at Mar 28, 2022
Medium
4 votes
2080 runs
0 comment
What is the value of the `PHP_FLOAT_MIN` variable?
Back-end developer
constants
float
at Mar 28, 2022
Hard
3 votes
1884 runs
0 comment
Usage of the spaceship operator in a PHP loop.
Back-end developer
comparison
operators
at Mar 28, 2022
Medium
3 votes
1512 runs
0 comment
How to count the number of occurences of a pattern in a string in PHP
Back-end developer
functions
regular expressions
at Mar 28, 2022
Expert
3 votes
1351 runs
0 comment
Find the word 'lazy' in a sentence using Python
Back-end developer
regex
python
at Mar 28, 2022
Easy
3 votes
1291 runs
0 comment
Read a file in Python
Back-end developer
file
list
at Mar 28, 2022
Hard
3 votes
717 runs
0 comment
What are the advantages of the `deque` type in the `collections` module?
Back-end developer
python
collections
deque
at Mar 28, 2022
Hard
2 votes
1986 runs
0 comment
What are the risks when running the following code ?
Back-end developer
security
xss
at Mar 28, 2022
Hard
2 votes
1857 runs
0 comment
What is the `is_long()` function for ?
Back-end developer
functions
integers
at Mar 28, 2022
Medium
2 votes
1778 runs
0 comment
Write a PHP function that adds two numbers and returns an integer.
Back-end developer
functions
types
at Mar 28, 2022
Expert
2 votes
1360 runs
1 comment
Which of these modules are able to convert data ?
Back-end developer
modules
data
at Mar 28, 2022
Medium
2 votes
1350 runs
0 comment
What is the `numpy` for ?
Back-end developer
numpy
arrays
at Mar 28, 2022
Hard
2 votes
1236 runs
0 comment
What is the difference between $_GET and $_POST in PHP?
Back-end developer
arrays
php
at Mar 28, 2022
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