x=7
y=2
print("hello world")
print(4*5+8)
print(x/y)

def sayHello():
    print("hello world")
    
sayHello()


for i in [3,6,2,1]:
    print(i)
    
for i in range(5):
    print(i)
    
for i in range(10):
    print(i)