Create table from dictionary python

I was looking for a solution with unknown columns width to print a database table. So here it is:

def printTable[myDict, colList=None]:
   """ Pretty print a list of dictionaries [myDict] as a dynamically sized table.
   If column names [colList] aren't specified, they will show in random order.
   Author: Thierry Husson - Use it as you want but don't blame me.
   """
   if not colList: colList = list[myDict[0].keys[] if myDict else []]
   myList = [colList] # 1st row = header
   for item in myDict: myList.append[[str[item[col] if item[col] is not None else ''] for col in colList]]
   colSize = [max[map[len,col]] for col in zip[*myList]]
   formatStr = ' | '.join[["{{: