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！！")