PYTHON

how to unique list in python

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]

count unique elements in list python

from collections import Counter

words = ['a', 'b', 'c', 'a']

Counter(words).keys() # equals to list(set(words))
Counter(words).values() # counts the elements' frequency

how to find unique values in list in python

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

get unique values from a list

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

Get unique values from a Python list

# 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))

python count unique values in list

len(set(["word1", "word1", "word2", "word3"]))
# set is like a list but it removes duplicates
# len counts the number of things inside the set

unique items in a list python

list(dict.fromkeys(list_with_duplicates))