Buoi_8

import random
import string
ran_li = [random.randint(0,9) for i in range(10)]
UPPER = [random.choice(string.ascii_uppercase) for i in range(10)]
lower = [random.choice(string.ascii_lowercase) for i in range(10)]
print(UPPER)
print(lower)
pw = "".join(lower)
print(pw)

d = {'key' : ['value', None, 1]}
print(type(d),d)

tdtv = { 
        'an' : ['choen', 'tieu hoa', 'dung'],
        'choi' : ['nhu an', 'lam gi do'],
        1 : 'mot so tu nhien',
        'an' : [1,2,3],
        (12,4) : [0,2,3]
    }
    
for i in tdtv['choi']:
    print(i)
    
tdtv['nghi'] = ['khong lam nua', 'di ngu']
print(tdtv)
for i in tdtv:
    print(i,tdtv[i])
    
for k, v in tdtv.items():
    print(k, v)