i = 0  # This is an example of the while loop
while i < 5:
    print(i)
    i += 1
i = None  # 0
            # 1
            # 2
            # 3
            # 4



for i in range(5):  # This example uses the iterable object 'range'
    print(i)  # 0
                # 1
                # 2
                # 3
                # 4



for i in [1, 2, 3, 4]:
    print(i)  # 1
                # 2
                # 3
                # 4



for c in 'hello':
    print(c)
