Generate fibonacci numbers (execrise 13)

FibonacciNums.py

num=int(input('Enter a number:'))
length=int(input('To what length u want it to be?:'))
nuz=0
list=[]
if len(str(num))>0:
    list.append (num)
    r=num+nuz
    list.append (r)
while len(list)!=length:
    dd=list[nuz]+list[nuz+1]
    list.append (dd)
    nuz += 1
    if len(list)==length:
       break
print (list)