python英语字典程序-python制作英文学习字典案列

def rdic():

fr = open('dic.txt','r')

for line in fr:

line = line.replace(" ",'')

v = line.split(':')

dic[v[0]] = v[1]

keys.append(v[0])

fr.close()

def centre():

n = input("请输入进入相应模块（添加、查询、退出）：")

if n =="添加":

key = input("请输入英文单词：")

if key not in keys:

value = input("请输入中文单词：")

dic[key] = value

keys.append(key)

print("单词已经添加成功")

else:

print("该单词已经添加至字典库")

elif n =="查询":

key = input("请输入英文单词：")

if key in keys:

print("中文意思为："+dic[key])

else:

print("字典中未找到这个单词")

elif n =="退出":

return 1

else:

print("输入有误")

return 0

def wdic():#写入文件代码 通过keys的顺序写入

with open('dic.txt','w') as fw:

for k in keys:

fw.write(k+':'+dic[k]+' ')

if __name__=="__main__":

keys = [] #用来存储读取的顺序

dic = {}

while True:

rdic()

n = centre()

wdic()

if n == 0:

continue

elif n == 1:

break