a = "Hello"
print(a)
print(a)
print(a, "\n")

a = "World"
print(a)
print(a)
print(a)

var = 7
print(type(var))

var = "문자열"
print(type(var))

var = 3.14
print(type(var))

i = 4
j = 2
print(i + j)
print(i - j)
print(i * j)
print(i ** j)
print(i / j)
print(i // j)
print(i % j)