import string


def remove_punctuation(input_string):
    """Remove the punctuations in input string.
   
    Parameters
    ----------
    input_string : string
        String to remove punctuations.
        
    Returns
    -------
    output_string : string
        String without punctuations.
   """
    
    out_string =''
    for char in input_string:
        if not char in string.punctuation:
            out_string = out_string + char
    
    return out_string