codechef

Tax in Chefland
t=int(input())
for i in range(t):
    X=int(input())
    if X<=100:
        print(X)
    else:
        print(X-10)
        
https://www.codechef.com/problems/TAXSAVING
t=int(input())
for i in range(t):
    X,Y=map(int,input().split())
    print(X-Y)
https://www.codechef.com/learn/BP00BP22/problems/ST04
t = int(input())
for i in range(t):
    A = input()
    B = input()
    
    i = 0
    n = len(A)
    #Flag is a very imporant tool in programming problems - you will come across various examples in later problems as well
    flag = 0
    
    while i<n:
        #Checking A from left to right and B from right to left
        if A[i]==B[n-i-1]:      
            i = i + 1
        else:
            #If specific character in A and B do not match, then they cannot be reverse of each other
            flag = 1
            break
    
    if flag==1:
        print('NO')
    else:
        print('YES')