Pretty printer

pprint

def pprint(data, ident=2, start_ident=0, ident_char=' ', inside_dict=False, inside_list=False, line_length=80,
           line_context=0):
    if not inside_dict:
        print(ident_char * start_ident, end='')

    if len(repr(data)) + start_ident + line_context < line_length:
        print(repr(data) + (',' if inside_dict or inside_list else ''))
        return

    elif isinstance(data, dict):
        print('{')
        for key in sorted(data.keys()):
            string = "%s%s: " % (ident_char * (start_ident + ident), repr(key))
            print(string, end='')
            pprint(data[key], ident=ident, start_ident=start_ident + ident, ident_char=ident_char, inside_dict=True,
                   line_length=line_length, line_context=len(string))
        print(ident_char * start_ident + '}' + (',' if inside_dict or inside_list else ''))

    elif isinstance(data, set):
        print('{')
        for el in sorted(data):
            pprint(el, ident=ident, start_ident=start_ident + ident, ident_char=ident_char, inside_list=True,
                   line_length=line_length)
        print(ident_char * (ident + start_ident) + '}' + (',' if inside_dict or inside_list else ''))

    elif isinstance(data, list):
        print('[')
        for el in data:
            pprint(el, ident=ident, start_ident=start_ident + ident, ident_char=ident_char, inside_list=True,
                   line_length=line_length)
        print(ident_char * (ident + start_ident) + ']' + (',' if inside_dict or inside_list else ''))
    else:
        print("%s" % repr(data) + (',' if inside_dict or inside_list else ''))