数字转汉字

def num2chinese(n):    chinese = ""    num_list = list("零一二三四五六七八九十")    pos1 = list("十百千")    pos2 = list("万亿兆")    n_str = str(n)    if len(n_str)>16:        print("数字超出范围")        return -1    str_list = []    while len(n_str)>0:        str_list.insert(0, n_str[-4:])        n_str = n_str[:-4]    zero_flag = False    flag = False    for cut_num in str_list:        pos2 = pos2[:(len(str_list)-1)]        if cut_num=="0000":            zero_flag = True            if pos2:                pos2.pop()            continue        if zero_flag:            chinese += "零"        if 0<int(cut_num)<=10:            if cut_num[0]=="0":                chinese += "零"            chinese += num_list[int(cut_num)]            if pos2:                chinese += pos2.pop()            continue        pos_1 = pos1[:(len(cut_num)-1)]        for num in cut_num:            if num=="0":                flag = True                if pos_1:                    pos_1.pop()                continue            if flag:                chinese += "零"            chinese += num_list[int(num)]            if pos_1:                chinese += pos_1.pop()        if pos2:            chinese += pos2.pop()    if chinese[0:2]=="一十":        chinese = chinese[1:]    return chinese

第二种实现

def num2chinese(n):    danwei = list(" 十百千万十百千亿十百千兆十百千")    num_chinese = list("零一二三四五六七八九")    chinese=""    n2str = str(n)    length = len(n2str)    for i, v in enumerate(n2str):        chinese += num_chinese[int(v)] + danwei[length-i-1]    chinese = chinese[1:] if chinese[:2]=="一十" else chinese    zero_flag = False    new_chinese = ""    for x in chinese:        if x=="零" and not zero_flag:            zero_flag = True            new_chinese += "零"            continue        if x =="零" and zero_flag:            continue        if zero_flag and x in num_chinese:            zero_flag = False        if zero_flag and x in ("十", "百", "千"):            continue        if zero_flag and x in ("兆","亿","万"):            new_chinese = new_chinese[:-1]            zero_flag = False        new_chinese += x    new_chinese = new_chinese.replace("亿万","亿")    new_chinese = new_chinese.replace("兆亿","兆")    new_chinese = new_chinese.strip().strip("零")    return new_chinese