Removing patterns in list

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I have a list as following:


and I want to remove "error" from the list :


for i in range(llist):
     if list[i]=="error":
         del list[i]


but the compiler still display,"if list[i]=="error": IndexError: list index out of range".

Where am I wrong? Thanks in advance!

Your fix:


for i in range(llist):
         if list_[i]=="error":
             del list_[i]
    except IndexError:


[80, 100, 74, 72, 71, 39, 38, 63, 82, 62, 75, 23, 77, 87, 36]


Looks like you only need the numbers from the list:

import numbers
print([x for x in list_ if isinstance(x, numbers.Number)])


[80, 100, 74, 72, 71, 39, 38, 63, 82, 62, 75, 23, 77, 87, 36]


print([num for num in list_ if isinstance(num, (int,float))])

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First don't use keyword list as variable name. Then conditional list comprehension is an easy way to do it:

my_list = [i for i in my_list if i != "error"]

Your problem here is that you are modifying the list length while trying to iterate over it. Perfect recipe for errors...

Removing multiple patterns from a string, The actual use case and the list of patterns that I had to remove are considered a confidential competitive advantage by my client, so I will just� First of all, start Dr.Fone on your PC and then click on "Screen Unlock". This feature will remove your password of pattern screen and let you access your phone. Take your phone and connect it with your PC via USB cable and then. Click on the “Start” button to start the procedure.

Try using remove function.

l = ['a', 'b', 'error', 'c']

Remove matched patterns in a string — str_remove • stringr, string. Input vector. Either a character vector, or something coercible to one. pattern. Pattern to look for. The default interpretation is a regular expression,� Find your pattern. Find your lesson. A good way of recognizing patterns in your life is by listening to your feelings, your intuition. I’ve found that when I am involved in a pattern, my emotions run a bit stronger, kind of like a warning from my subconscious mind to pay attention to what’s happening.

Try this :

list1 = [i for i in list1 if i != 'error']

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Try :

>>> list1=[80,"error",100,74,72,71,"error",39,38,63,"error",82,"error",62,75,23,77,87,"error",36]
>>> filter(lambda a: a != "error", list1)
[80, 100, 74, 72, 71, 39, 38, 63, 82, 62, 75, 23, 77, 87, 36]

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DeleteCases—Wolfram Language Documentation, DeleteCases[expr, pattern] removes all elements of expr that match pattern. DeleteCases[expr Deleting elements from a nested Association: Copy to clipboard�

Overriding or removing resource ignore patterns, Overriding or removing resource ignore patterns. After you have added global file -matching patterns to the list of files to be ignored for version management, you�

The cull patterns remove alternating points from each list. The , Nov 28, 2018 - The cull patterns remove alternating points from each list. The Weave component collects data from the point lists according to a custom pattern.