human
removing a colon in a list of strings in.
assistant
Here is a Python program for removing a colon in a list of strings

import string

def _remove_colon(string):
    """Remove a colon from a list of strings."""
    return string.replace(":", "")

# Enter the string
string = ":"

# Calling the function
print((_remove_colon(string)))

#Example Output
# 

#Remember to inspect code for bugs.