# Init the empty dictionary
dct = {}

while True:
    # Ask for a name.
    name = raw_input("Enter a name or an empty string to stop: ")

    # If the given name is empty string, break the loop.
    if name == '':
        break

    # Ask for an age.
    age = int(input("Enter age: "))

    # Add user input to the dictionary. Name as key, age as value.
    dct[name] = age

print(dct)