实验三

x = list(range(10))
print('整数输出1: ', 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))

 

 

print('整数列表：')
x = list(range(97, 97+26))
for i in x:
    print(i, end = ' ')

print('\n字符列表1：')
lower_alpha = [chr(i) for i in range(97, 97+26)]
for i in lower_alpha:
    print(i, end = ' ')

print('\n字符列表2：')
upper_alpha = [i.upper() for i in lower_alpha]
for i in upper_alpha:
    print(i, end = ' ')

 

 

import random
import string
print('用列表储存随机整数：')
x = [random.randint(1,100) for i in range(5)]
print(x)
print('\n用集合储存随机整数：')
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数字串：', end = '')
digits = string.digits
print(digits)
print(type(digits))

 

 

import random

print('用集合存储整数：')
while True:
    s = {random.randint(1,100) for i in range(5)}
    print(s)
    if len(s) < 5:
        break

 

 

i = 0
a = 0
b = 1
x = 0
while a <= 1000:
    print('{:>5}'.format(a), end = ' ')
    a, b = b, a + b
    i += 1
    x += 1
    if x % 5 == 0:
        print(end = '\n')

 

 

print('猜猜2021年5月的那一天是你的lucky day:)')
x = eval(input('你有三次机会，猜吧（1~31）：'))
import random
y = random.randint(1,31)
i = 0
while i < 2:
    if x < y:
        print('猜早啦，你的lucky day还早呢')
        x = eval(input('再猜猜：'))
        i += 1
    elif x > y:
        print('猜晚啦，你的lucky day还在前面呢')
        x = eval(input('再猜猜：'))
        i += 1
    else:
        print('这就是你的lucky day')
        break
else:
    print('次数用完啦')
    print('2021年5月你的lucky day是',y,'号')

 

x,n = eval(input('输入十进制整数x和要转换的进制n(2或8或16)：'))
y = []
while x//n != 0:
    if x%n <= 9:
        y.append(x%n)
        x = x//n
    else:
        if x%16 == 10:
            y.append('A')
        elif x%16 == 11:
            y.append('B')
        elif x%16 == 12:
            y.append('C')
        elif x%16 == 13:
            y.append('D')
        elif x%16 == 14:
            y.append('E')
        elif x%16 == 15:
            y.append('F')
        x = x//n
else:
    if x%n <= 9:
        y.append(x%n)
    else:
        if x%16 == 10:
            y.append('A')
        elif x%16 == 11:
            y.append('B')
        elif x%16 == 12:
            y.append('C')
        elif x%16 == 13:
            y.append('D')
        elif x%16 == 14:
            y.append('E')
        elif x%16 == 15:
            y.append('F')
y = y[::-1]
a = [str(b) for b in y]
c = ''.join(a)
print(c)