/Python/Python list comprehension double for

Python list comprehension double for

[x for y in collection for x in y] # [A for B in C for D in E]

Python list comprehension double for

>>> l = [(x,y) for x in range(0,3) for y in range(5, 8)]
>>> l
[(0, 5), (0, 6), (0, 7), (1, 5), (1, 6), (1, 7), (2, 5), (2, 6), (2, 7)]

# they can also be "chained"
>>> l = [(x,y) for x in range(0,4) for y in range(0, x)]
>>> l
[(1, 0), (2, 0), (2, 1), (3, 0), (3, 1), (3, 2)]

Similar codes

0 vote259 views1 answer
Say something in discord discord.py
Python
0 vote299 views2 answers
Check null all column pyspark
Python
0 vote274 views2 answers
Register temporary table pyspark
Python
3 votes279 views1 answer
Python: transform as type numeirc
Python
1 vote294 views1 answer
Liste in python
Python
-1 vote309 views4 answers
Play video in colab
Python
0 vote280 views1 answer
Scatter density plot seaborn
Python
0 vote262 views1 answer
What is norways politics
Python
1 vote276 views1 answer
Install docx python
Python
4 votes317 views2 answers
How to disable help command discord.py
Python