nested loop
for a in range(1,3):
    if a%2!=0:
        print(a,end=" ")
        
    for b in range(1,a+1):
        if b%5==0:
         print(b,end=" ")
         
        for c in range(a,b+1):
            if c%3!=0:
             print(c,end=" ")
    print()
