progs/a777.py


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def overlapping(list1,list2):  
    c=0
    d=0
    for i in list1: 
        c+=1
    for i in list2: 
        d+=1
    for i in range(0,c): 
        for j in range(0,d): 
            if(list1[i]==list2[j]): 
                return 1
    return 0