#!/usr/bin/env python3
# demonstrates a while loop and a for loop

#While Loop
counter = 0
print("while loop:")
while (counter < 5):
    print("The counter is ", counter)
    counter += 1

#For Loop
print("\nfor loop")
for i in range(0,5):
    print(i)
    
#Fib-series example    
a, b = 0, 1
print('Fib-series')
while b < 200:
    print(b)
    a, b = b, a+b
words = ['Tunis','Gaborone','Nairobi','Dakar','Kampala']
for w in words:
    print('Characters in',w,'is', len(w))