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Pythonic way to print list items
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227
Assuming you are using Python 3.x:
print(*myList, sep='\n')
You can get the same behavior o...
How to write inline if statement for print?
...on: statement
if condition:
block
if expression (introduced in Python 2.5)
expression_if_true if condition else expression_if_false
And note, that both print a and b = a are statements. Only the a part is an expression. So if you write
print a if b else 0
it means
print (a if b else 0)
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Command to get nth line of STDOUT
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Using sed, just for variety:
ls -l | sed -n 2p
Using this alternative, which looks more efficient since it stops reading the input when the required line is printed, may generate a SIGPIPE in the feeding process, which may in turn generate an unwanted error message:
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Adding new column to existing DataFrame in Python pandas
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24 Answers
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Get all unique values in a JavaScript array (remove duplicates)
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git diff two files on same branch, same commit
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answered Dec 20 '12 at 2:21
JaredMcAteerJaredMcAteer
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What is the difference between “def” and “val” to define a function
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329
Method def even evaluates on call and creates new function every time (new instance of Function...
How to redirect the output of the time command to a file in Linux?
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271
Try
{ time sleep 1 ; } 2> time.txt
which combines the STDERR of "time" and your command ...
How to randomly select an item from a list?
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2751
Use random.choice()
import random
foo = ['a', 'b', 'c', 'd', 'e']
print(random.choice(foo))...