实验3

x = list(range(10))
print('整数输出:' ,end='')
for i in x:
    print(i,end=' ')
print('\n整数输出2:',end='')
for i in x:
    print(f'{i:02d}',end='-')
print('\n整数输出3:',end='')
for i in x[:-1]:
    print(f'{i:02d}',end='-')
print(f'{x[-1]:02d}')
print('\n字符输出1：',end='')
y1 = [str(i)for i in range(10)]
print('-'.join(y1))
print('字符输出2：',end='')
y2 = [str(i).zfill(2)for i in range(10)]
print('-'.join(y2))

　　

x= list(range(1,10))
y = [chr(i)for i in range(97,97+26)]
z = [i.upper()for i in y]
s = x+y+z
print(s)

　　

import random
import string
print('\n用列表存储随机整数：')
ls = [random.randint(1,100)for i in range(5)]
print(ls)
print('\n用集合存储随机整数：')
s = {random.randint(1,100)for i in range(5)}
print(s)
print('\n\n字母串：',end='')
alpha = string.ascii_letters
print(alpha)
print(type(alpha))
print('\n字母串:',end=' ')
digits = string.digits
print(digits)
print(type(digits))

　　

import random
print('')
while True:
    s = {random.randint(1,100)for i in range(5)}
    print(s)
    if len(s)<5:
        break