程序代码：
import random as t
#创建单词序列
words=("easy","difficult","answer","continue")
zi=("容易","困难","回答","继续")
hanzi={ "easy":"容易", "difficult":"困难","answer":"回答", "continue":"继续","blue":"蓝色"}
yin={"容易":"easy","困难":"difficult","回答":"answer","继续":"continue","蓝色":"blue"}
def jiemian():
print("""
欢迎来到背单词
根据English回答汉语或者根据汉语回答English
-------------------------------------------
1.English——>汉语
2.汉语——>English
3.单词列表
4.退出系统
""")
#######Zhang###### English——>汉语 ################################
def yyihan():
n=0
m=0
su=0
iscontinue="y"
while iscontinue=="y" or iscontinue=="Y":
word=t.choice(words)
print("随机生成在单词:")
print(">------> "+word)
guess=input("\n输入汉语: ").strip()# 防止用户误操作录入空白
while guess!=hanzi[word]:
print("对不起，不正确。")
n=n+1
print('\n——>正确率：%.2f'%(m/(n+m)))
guess=input("继续输入：").strip()
if guess==hanzi[word]:
print("真棒！答对了！！")
m=m+1
print('\n——>正确率：%.2f'%(m/(n+m)))
iscontinue=input("\nn\是否继续（Y/N）：")
############### 汉语——>English #########wei####################
def hanyiy():
n=0;
m=0;
su=0;
iscontinue="y"
while iscontinue=="y" or iscontinue=="Y":
hz=t.choice(zi)
print("随机生成在汉语:")
print(">------> "+hz)
guess=input("\n输入Ehglish: ").strip()
while guess!=yin[hz]:
print("对不起，不正确。")
n=n+1
print('\n——>正确率：%.2f'%(m/(n+m)))
guess=input("继续输入：").strip()
if guess==yin[hz]:
print("真棒！答对了！！")
m=m+1
print('\n——>正确率：%.2f'%(m/(n+m)))
iscontinue=input("\nn\是否继续（Y/N）：")
####bu##########################################################
def lib():
print("************************")
print("\n")
for i in range (len(words)):
print(words[i]," ",zi[i],"\n")
print("\n")
print("************************")
a=input("输入 1 背诵单词结束——>: ")
###################################################################
while True:
jiemian()
a=int(input("\n\n\n\选择需要进行的操作（1、2、3、4）："))
if(a==1):
yyihan()
elif a==2:
hanyiy()
elif a==3:
lib()
elif a==4:
exit()
else:
print("输入格式错误，重新输入！！")
https://mp.weixin.qq.com/s/SPfelM5BAk0fUC92OcRggQ
