Human: Give me a Python function to remove white spaces on column names. Assistant: 
Here is a Python function to remove white spaces from column names

import sys

def _remove_white_spaces(column_names):
    """Removes white spaces on column names."""
    return ''.join([c if c!='' else '' for c in column_names])

# Enter the column names
column_names = ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"]

# Calling the function
print((_remove_white_spaces(column_names)))

#Example Output
# abcdefghijklmnopqrstuvwxyz

#Remember to inspect code for bugs.