from tkinter import Tk, simpledialog, messagebox
def read_from_file():
with open('capital_data.txt') as file:
for line in file:
line = line.rstrip('\n')
country, city = line.split('/')
the_world[country] = city
def write_to_file(country_name, city_name):
with open('capital_data.txt', 'a') as file:
file.write('\n' + country_name + '/' + city_name)
print('Ask the expert - Capital cities of the world')
root = Tk()
root.withdraw()
# root.deiconify()
the_world={}
read_from_file()
while True:
query_country = simpledialog.askstring('国家', '输入国家的名字：')
query_country = query_country.capitalize()
if query_country in the_world:
result = the_world[query_country]
messagebox.showinfo('Answer', 'The capital city of '
+ query_country + ' is ' + result +'!')
else:
new_city = simpledialog.askstring('Teach me',
"I don't know!" +
'What is the capital city of '
+ query_country + '?')
the_world[query_country] = new_city
write_to_file(query_country, new_city)
root.mainloop()
信息加密
from tkinter import Tk, messagebox, simpledialog
def get_task():
task = simpledialog.askstring('Task',
'Do you want to encrypt or decrypt')
return task
def get_message():
message= simpledialog.askstring('Message',
'Enter the secret message')
return message
def is_even(number):
return number % 2 == 0
def get_even_letters(message):
even_letters = []
for counter in range(0, len(message)):
if is_even(counter):
even_letters.append(message[counter])
return even_letters
def get_odd_letters(message):
odd_letters = []
for counter in range(0, len(message)):
if not is_even(counter):
odd_letters.append(message[counter])
return odd_letters
def swap_letters(message):
letter_list = []
if not is_even(len(message)):
message = message + "x"
even_letters = get_even_letters(message)
odd_letters = get_odd_letters(message)
for counter in range(0,len(odd_letters)):
letter_list.append(odd_letters[counter])
letter_list.append(even_letters[counter])
new_message = ''.join(letter_list)
return new_message
root = Tk()
while True:
task = get_task()
if task == 'encrypt':
message = get_message()
encrypted = swap_letters(message)
print(message)
messagebox.showinfo(
'Ciphertext of the secret message is:',
encrypted)
elif task == 'decrypt':
message = get_message()
decrypted = swap_letters(message)
messagebox.showinfo(
'Plaintext of the secret message is:',
decrypted
)
else:
break
root.mainloop()
倒计时 需要先建立events.txt文件，内容格式如下
Halloween,30/10/24
Spanish Test,01/12/17
School Trig,20/02/17
My birthday,11/01/18
from tkinter import Tk, Canvas
from datetime import date, datetime
def get_events():
list_events = []
# 在vscode中，文件应该放到打开的文件夹下
with open('events.txt') as file:
for line in file:
line = line.rstrip('\n')
current_event = line.split(',')
event_date = datetime.strptime(current_event[1], '%d/%m/%y').date()
current_event[1] = event_date
# print(current_event)
list_events.append(current_event)
return list_events
def days_between_dates(date1, date2):
time_between = str(date1 - date2)
print(time_between)
number_of_days = time_between.split(' ')
return number_of_days[0]
root = Tk()
c = Canvas(root, width=800, height=800,bg='green')
c.pack()
c.create_text(100, 50, anchor='w', fill='pink', font='楷体 28 bold underline', text='我的日历')
events = get_events()
today = date.today()
vertical_space = 100
events.sort(key=lambda x: x[1])
for event in events:
event_name = event[0]
days_until = days_between_dates(event[1],today)
display = 'It is %s days until %s' % (days_until, event_name)
if (int(days_until) <=7):
text_col = 'red'
else:
text_col = 'lightblue'
c.create_text(100, vertical_space, anchor='w', fill=text_col, font='宋体 22 bold', text=display)
vertical_space += 30
root.mainloop()
一、错误详情 FAILURE: Build failed with an exception.* What went wrong:
Could not determine the dependencies of task :mediaplayer:compileReleaseAidl.
> Could not resolve all task dependencies for configuration :mediaplayer:releaseCompileClasspath.> C…
