<｜begin▁of▁sentence｜>### Instruction:
Given a sequence of numbers 5, 10, and 15, how can you initialize a RunningMean object, update it with these numbers, and then retrieve a string representation of the current state of the object?
### Response:
from RunningMean import RunningMean

# Initialize a running mean object
rm = RunningMean()

# Update the running mean with some numbers
rm.update(5)
rm.update(10)
rm.update(15)

# Represent the running mean object as a string
print(repr(rm))
<|EOT|>
