# Fibonacci sequence code
terms = int(input("How many terms do you want to generate? "))
n1, n2 = 0, 1
count = 0

if terms <= 0:
print("Please enter a positive integer")
elif terms == 1:
print("Fibonacci sequence up to", terms, ":")
print(n1)
else:
print("Fibonacci sequence:")
while count < terms:
print(n1)
nth = n1 + n2
# update values
n1 = n2
n2 = nth
count += 1