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python make list unique

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YOU.com answered on February 25, 2021 Popularity 9/10 Helpfulness 4/10

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python make list unique

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# Approach 1: Using set
original_list = [1, 2, 3, 2, 4, 5, 1, 3, 3, 4, 5]
unique_list = list(set(original_list))
print(unique_list)

# Approach 2: Using a loop
original_list = [1, 2, 3, 2, 4, 5, 1, 3, 3, 4, 5]
unique_list = []
for element in original_list:
    if element not in unique_list:
        unique_list.append(element)
print(unique_list)

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Contributed on Sep 12 2023

YOU.com

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how to unique list in python

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import numpy as np

def unique(list1):
    npArray1 = np.array(list1)
    uniqueNpArray1 = np.unique(npArray1)
    return uniqueNpArray.tolist()
  
list1 = [10, 20, 10, 30, 40, 40]
unique(list1) # [10, 20, 30, 40]

Popularity 10/10 Helpfulness 5/10 Language python

Source: www.geeksforgeeks.org

Tags: list

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Contributed on Jan 07 2022

Crazy Caracal

0 Answers Avg Quality 2/10

Get unique values from a Python list

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# just turn it into a set and then convert again into a list
res = list(set(lst1)))
 
# now check the lengths of the two lists
print(len(res))
print(len(lst1))

Popularity 10/10 Helpfulness 5/10 Language python

Source: Grepper

Tags: get

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Contributed on Aug 16 2022

Sumaia Parveen Shupti

0 Answers Avg Quality 2/10

python list unique in order

Comment

>>> items = [1, 2, 0, 1, 3, 2]
>>> list(dict.fromkeys(items))  # Or [*dict.fromkeys(items)] if you prefer
[1, 2, 0, 3]

Popularity 10/10 Helpfulness 5/10 Language python

Source: stackoverflow.com

Tags: list

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Contributed on Feb 02 2022

Tough Tuatara

0 Answers Avg Quality 2/10

unique python

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# Method 1 = convert to set to remove duplicate and then convert back to list
mylist = list(set(mylist))

# Method 2 = use numpy to convert list to array and the apply unique method
np.unique(np.array(mylist)) # You can change the array back to list

# Method 3 = For pandas dataframe
df["col"].unique()

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Source: Grepper

Tags: python py

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Contributed on Jan 27 2023

Innocent Iguana

0 Answers Avg Quality 2/10

how to find unique values in list in python

Comment

mylist = ['nowplaying', 'PBS', 'PBS', 'nowplaying', 'job', 'debate', 'thenandnow']
myset = set(mylist)
print(myset)

Popularity 10/10 Helpfulness 4/10 Language python

Source: stackoverflow.com

Tags: find

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Contributed on Feb 25 2021

Courageous Cod

0 Answers Avg Quality 2/10

unique items in a list python

Comment

list(dict.fromkeys(list_with_duplicates))

Popularity 10/10 Helpfulness 3/10 Language python

Source: stackoverflow.com

Tags: items item

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Contributed on Sep 27 2022

Homely Herring

0 Answers Avg Quality 2/10

unique python

Comment

array = [1,2,3,4,1,2,3,6]
set(array)
#output [1,2,3,4,6]

Popularity 10/10 Helpfulness 2/10 Language python

Source: Grepper

Tags: python py

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Contributed on Mar 29 2022

Gorgeous Guanaco

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python make list unique

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