iterator_exercise.py

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from .iterator_class import IteratorContainer_Class
 
 
 
# ! [Using Iterator in Python]
def Iterator_Exercise():
    print()
    print("Iterator Exercise")
 
    # For this example, the class already has built into it the data
    # to be iterated over.
    items = IteratorContainer_Class()
 
    print("  Iterating over keys only:")
    keyIterator = items.GetKeys()
    item = keyIterator.Next()
    while item:
        print("    {0}".format(item))
        item = keyIterator.Next()
 
    print("  Iterating over values only:")
    valueIterator = items.GetValues()
    value = valueIterator.Next()
    while value:
        print("    {0}".format(value))
        value = valueIterator.Next()
 
    print("  Iterating over all items:")
    itemIterator = items.GetItems()
    key_value_pair = itemIterator.Next()
    while key_value_pair:
        print("    {0} = {1}".format(key_value_pair.Key, key_value_pair.Value))
        key_value_pair = itemIterator.Next()
 
    print("  Done.")
# ! [Using Iterator in Python]