num_conv.py

map_1 = {'1': {'name': 'Binary', 'callback': bin}, '2': {'name': 'Octal', 'callback': oct}}
for conv_id in map_1:
    conversion_object = map_1[conv_id]
    name = conversion_object['name']
    print(f'{conv_id} {name}')
conv_id = input("Enter the conversion : ")
input_number = int(input("Enter the number : "))
conversion_object = map_1[conv_id]
callback = conversion_object['callback']
print(callback(input_number))