l=[]
num1=input('enter first number')
num2=input('enter second number')
num3=input('enter third number')
num4=input('enter forth number')
print(l.append(num1))
print(l.append(num2))
print(l.append(num3))
print(l.append(num4))
print(l)

a=["google","apple","facebook","microsoft","tesla"]
print(l+a)
