fruit = 'Banana'
pos = fruit.find('na')
print(pos)

#If the substring is not found, find() return -1
aa = fruit.find('z')
print('The substring is not found : ',aa)








fruit = 'Banana'
pos = fruit.find('na')
print(pos)

#If the substring is not found, find() return -1
aa = fruit.find('z')
print('The substring is not found : ',aa)








#If the substring is not found, find() return -1