实验3

test.1
1-1.py

x = list(range(10))
print('整数输出1:', end='')
for i in x:
    print(i, end=' ')

print('\n整除输出2:', end='')
for i in x:
    print(f'{i:02d}', end='-')

print('\n整除输出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))

 

1-2.py

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 = ' ')

 

1-3.py

import random
import string
print('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数字串：', end = '')
digits = string.digits
print(digits)
print(type(digits))

 

1-思考题-1

1.  1~100    包括100

     1~99      不包括100   

2.  不是       运行如下：

1-思考题-2

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

 

test.2  

i = 0
m = 1
a = 0
while i < 1000:
    print(str(i).rjust(3,' '),end=' ')
    a += 1
    if a % 5 == 0:
        print(end='\n')
    if m < 1000:
        print(str(m).rjust(3,' '),end=' ')
        a += 1
    if a % 5 == 0:
        print(end='\n')
    i += m
    m = i+m

test.3

import random
x = random.randint(1, 31)
print('猜猜2021年5月哪一天会是你的lucky day:)')
y = input('你有三次机会，猜吧（1~31）:')
for i in range(2):
    if int(y) < int(x):
        print('猜早啦，你的lucky day还早呢')
        y = input('再猜再猜：')
    elif int(y) > int(x):
        print('猜晚啦，你的lucky day在前面，前面')
        y = input('再猜再猜：')
print('次数用完啦')
print('2021年5月你的lucky day 是','26','号')

test.4

print('{:-^40}'.format('*** Remote Interpreter Reinitialized ***'))
print('输入十进制整数x和要转换的进制n（2或8或16）：')
x = int(input('十进制整数：'))
n = int(input('进制：'))
a =[]
while (x):
    a.append(x%n)
    x//=n
if n == 16:
    m = len(a)-1
    while m >=0:
        if a[m]>9:
            print(chr(a[m]-10+65),end='')
        else:
            print(a[m],end='')
        m -=1
else:
    m = len(a)-1
    while m>=0:
        print(a[m],end='')
        m -= 1