'''
numbers = [1,2,3,2,1]
for num in numbers:
    print(num)
for i in range(len(numbers)):
    print(numbers[i])
    '''

anExample = "Ada!"
print(len(anExample))
print("da"in anExample)
print(anExample[2])
print(anExample[2] + anExample[1])
for letter in anExample:
    print(letter)
