Answers for "how to remove a item from list in python"

9

python how to remove elements from a list

# Basic syntax:
my_list.remove(element)

# Note, .remove(element) removes the first matching element it finds in
# 	the list.

# Example usage:
animals = ['cat', 'dog', 'rabbit', 'guinea pig', 'rabbit']
animals.remove('rabbit')
print(animals)
--> ['cat', 'dog', 'guinea pig', 'rabbit'] # Note only 1st instance of
#	rabbit was removed from the list. 

# Note, if you want to remove all instances of an element, convert the
#	list to a set and back to a list, and then run .remove(element)	E.g.:
animals = list(set['cat', 'dog', 'rabbit', 'guinea pig', 'rabbit']))
animals.remove('rabbit')
print(animals)
--> ['cat', 'dog', 'guinea pig']
Posted by: Guest on October-04-2020
1

python remove element from list

myList = ["hello", 8, "messy list", 3.14]  #Creates a list
myList.remove(3.14)                        #Removes first instance of 3.14 from myList
print(myList)                              #Prints myList
myList.remove(myList[1])                   #Removes first instance of the 2. item in myList
print(myList)                              #Prints myList


#Output will be the following (minus the hastags):
#["hello", 8, "messy list"]
#["hello", "messy list"]
Posted by: Guest on May-07-2021
0

remove list from list python

>>> a = range(1, 10)
>>> [x for x in a if x not in [2, 3, 7]]
[1, 4, 5, 6, 8, 9]
Posted by: Guest on August-09-2021

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