print("a")
print("b")
print("c")
print("d")
print("a")
print("b")
print("c")
print("d")
a
b
c
d
print("one\ntwo")
print("three\nfour")
print("one\ntwo")
print("three\nfour")
one
two
three
four
print("Hello ", end="")
print("World!")
print("Hello ", end="")
print("World!")
Hello World!