dict1 = [1:'Troll', 2:'123'] dict2 = [2:'Geek', 3:'123'] dict1.update(dict2) print(dict1)

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Explaination

Dictonary updates functions adds new key value pair or replace existing pair.

Given two strings, determine if they share a common substring. A substring may be as small as one character.

Input Format

The first line contains a single integer p, the number of test cases.
The following p pairs of lines are as follows:
The first line contains string s1.
The second line contains string s2.

Output Format

For each pair of strings, return YES or NO

Sample Input

2
hello
world
hi
world

Sample Output

YES
NO

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Explaination

1.s1="hello", s2="world" the substrings "o"and "l" common to both strings
2.s1="hi" , s2="world" no common substring