Question

How to print the common elements of two lists in Python

Answer 1

def print_common_elements(lst1, lst2): 
    set1 = set(lst1) 
    set2 = set(lst2)
 
    if (set1 & set2): 
        print(set1 & set2) 
    else: 
        print("No common elements")  
          
  
lst1 = [1, 2, 3, 4, 5, 25, 6, 8] 
lst2 = [7, 8, 8, 9, 0, 87, 19, 2] 

print_common_elements(lst1, lst2)



'''
run:

{8, 2}

'''

 

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Answer 2

def print_common_elements(lst1, lst2): 
    set1 = set(lst1) 
    set2 = set(lst2)
  
    if (set1 & set2): 
        if (set1 & set2): 
          for n in set1 & set2:
            print(n)
    else: 
        print("No common elements")  
           
   
lst1 = [1, 2, 3, 4, 5, 25, 6, 8] 
lst2 = [7, 8, 8, 9, 0, 87, 19, 2] 
 
print_common_elements(lst1, lst2)
 
 
 
'''
run:
 
8
2
 
'''

 

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Answer 3

lst1 = [1, 2, 3, 4, 5]
lst2 = [4, 7, 5, 8, 9]

st = set(lst1) & set(lst2)

for val in st:
    print(val)

    
    

'''
run:

4
5

'''

 

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Answer 4

lst1 = [1, 2, 3, 4, 5]
lst2 = [4, 7, 5, 8, 9]
 
st = set(lst1).intersection(lst2)
 
for val in st:
    print(val)
 
     
     
 
'''
run:
 
4
5
 
'''

 

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Answer 5

import numpy as np

lst1 = [1, 2, 3, 4, 5]
lst2 = [4, 7, 5, 8, 9]
  
st = np.intersect1d(lst1, lst2)
  
for val in st:
    print(val)
  
      
      
  
'''
run:
  
4
5
  
'''

 

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