import re


def remove_parenthesis(mystring):
    """
    Delete substring between parenthesis from string
    """
    regex = re.compile(".*?\((.*?)\)")
    text = re.findall(regex, mystring)
    
    for i in range(len(text)):
        substring = '('+text[i]+')'
        mystring = mystring.replace(substring, '')

    return mystring