find common elements in two lists python
list1 = [1,2,3,4,5,6]
list2 = [3, 5, 7, 9]
list(set(list1).intersection(list2))find common elements in two lists python
list1 = [1,2,3,4,5,6]
list2 = [3, 5, 7, 9]
list(set(list1).intersection(list2))find common words in two lists python
list1 = ['little','blue','widget']
list2 = ['there','is','a','little','blue','cup','on','the','table']
list3 = set(list1)&set(list2)
list4 = sorted(list3, key = lambda k : list1.index(k))find number of common element in two python array
len([x for x in list1 if x in list2])python common elements in two arrays
# using numpy
import numpy as np
a = np.array([1,2,3,2,3,4,3,4,5,6])
b = np.array([7,2,10,2,7,4,9,4,9,8])
# using intersect1d
print(np.intersect1d(a,b))
# output
# [2 4]same elements of two sets in python
x = {2, 3, 5, 6}
y = {1, 2, 3, 4}
z = x.intersection(y)get common elements from two lists
List<Integer> l1 = new ArrayList<Integer>();
l1.add(1);
l1.add(2);
l1.add(3);
List<Integer> l2= new ArrayList<Integer>();
l2.add(4);
l2.add(2);
l2.add(3);
System.out.println("l1 == "+l1);
System.out.println("l2 == "+l2);
List<Integer> l3 = new ArrayList<Integer>(l2);
l3.retainAll(l1);
System.out.println("l3 == "+l3);Copyright © 2021 Codeinu
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