<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def normal_case(name):
 """Converts "CamelCaseHere" to "camel case here"."""

    s1 = re.sub(r'(.)([A-Z][a-z]+)', r'\1 \2', name)
    return re.sub(r'([a-z0-9])([A-Z])', r'\1 \2', s1).lower()