BOL

I want to merge PE reads. Can you please suggest me good tools.

NanoPlot []
Traceback (most recent call last):
File "/usr/local/bin/NanoPlot", line 7, in <module>
from nanoplot.NanoPlot import main
File "/usr/local/lib/python2.7/dist-packages/nanoplot/NanoPlot.py", line 18, in <module>
from nanoget import get_input
File "/usr/local/lib/python2.7/dist-packages/nanoget/__init__.py", line 1, in <module>
from .nanoget import *
File "/usr/local/lib/python2.7/dist-packages/nanoget/nanoget.py", line 29, in <module>
import concurrent.futures as cfutures
ImportError: No module named concurrent.futures

>AAA
AGTCGTGC

>BBB
AGTGCGGGTG

Remove AAA and keep only BBB

I am working on genome assembly, but wordering the optimised method to achieve the best result. Your comments and suggestions are welcome. 

N50 describes a sequence length whereas L50 describes a number of sequences. What am really confused ...

I want to download all the mammalian protein fasta files. Is there any quick way to download all in one click?