<｜begin▁of▁sentence｜>### Instruction:
As a hairstylist, in your salon, you have a network of clients who each need a unique identifier when they visit for appointments. Sometimes, you may need to manually override the automatically assigned client identifier for a specific individual. How would you use the UniqueIdGenerator from the salon's appointment management system to set a custom unique identifier, for example, changing the automatic ID for a client named "Alice" to "100"?
### Response:
from networkx.utils import UniqueIdGenerator

# Initialize a unique ID generator
uid_gen = UniqueIdGenerator()

# Suppose we have an item 'node1'
item = 'node1'

# Manually set the unique ID for 'node1' to 100
uid_gen[item] = 100

# Now, getting the ID for 'node1' will return 100
print(uid_gen[item])
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