1. Test f1 (1 mark)
2. Test f2 (1 mark)
3. Test f3 (1 mark)
4. Test f4 (1 mark)
Your selection (1 -> 4):
4
Enter name : Quan Van Truong
Enter age: 50
Enter salary: 30000000
Enter rank : 5
OUTPUT
Salary: 30000000
Age: 50
Name: Quan Van Truong
Rank: 5
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