human
underscore to camelcase.
assistant
Here is a Python program to underscore to camelcase

import re

def underscore_to_camelcase(name):
    """
    Convert underscore to camelcase.
    """
    return re.sub('_','', name).title()

# Enter the name
name = "underscore_to_camelcase"

# Calling the function
print((underscore_to_camelcase(name)))

#Example Output
# Underscoretocamelcase

#Remember to inspect code for bugs.