basic.py~

print("hello world!")

print(42)

a=10
print(2*a)

b=3.14
c="apple"

print(b)
print(c)

print(3<4)
print(3>4)
print(not(3<4 and 3>4))

for i in range(0,10):	
	print(i)

for i in range(0,10,2):
	print(i)

arr= []

for i in  range(0,10):
	arr.append(i)

print(arr)

arr[5]= 50

print(arr)

for el in arr:
	print(-el)




def square(x):
	return x*x

print(square(2))