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In [11]:



    


print('0'*8+'\n'+'0'*8, end='')//end=' '表示最后不换行



    


















    






00000000
00000000
















In [12]:



    


print('0'*8+'\n'+'0'*8)



    


















    






00000000
00000000

















In [13]:



    


line = 'Beijing language and culture university '
print('乘2：', line*2)
print('相加：''School of Information Studies of ' + line)
new_line = line * 3
print('乘3：', new_line)

print('-'*15 + '分隔线' + '-' *15)

numbers = [1,2,3]
print('乘3：', numbers * 3)
print('相加：', numbers + [4,5,6])
new_numbers = numbers * 4
print('乘4：', new_numbers)



    


















    






乘2： Beijing language and culture university Beijing language and culture university 
相加：School of Information Studies of Beijing language and culture university 
乘3： Beijing language and culture university Beijing language and culture university Beijing language and culture university 
---------------分隔线---------------
乘3： [1, 2, 3, 1, 2, 3, 1, 2, 3]
相加： [1, 2, 3, 4, 5, 6]
乘4： [1, 2, 3, 1, 2, 3, 1, 2, 3, 1, 2, 3]

















In [37]:



    


line = '北京语言大学信息科学学院'
x = 4
sub_line = ''
for i in range(x):
    sub_line += line[i]
print(sub_line, end='')

for i in range(x-1, -1, -1):
    print(sub_line[i], end='')



    


















    






北京语言言语京北
















In [25]:



    


line = '北京语言大学信息科学学院'
x = 4
print(line[0:x] + line[x-1:0:-1])



    


















    






北京语言言语京

















In [30]:



    


line = '北京语言大学信息科学学院'

print(line[2:6])
print(line[2:8:2])
print(line[2])
print(line[8])
print(line[8:1:-2])

print('-'*15 + '分割线' + '-'*15)

print(line[0:6])
print(line[:6])
print(line[6:12])
print(line[6:])
print(line[:])
print(line[::2])

print('-'*15 + '分割线' + '-'*15)

print(line[-5:-2])
print(line[0:4] + line[3:-1:-1])   
print(line[-5:-2])



    


















    






语言大学
语大信
语
科
科信大语
---------------分割线---------------
北京语言大学
北京语言大学
信息科学学院
信息科学学院
北京语言大学信息科学学院
北语大信科学
---------------分割线---------------
息科学
北京语言言语京北
息科学

















In [32]:



    


line = '北京语言大学信息科学学院'

print(line[2:6])
print(line[2:8:2])
print(line[2])
print(line[8])
print(line[8:1:-2])

print('-'*15 + '分割线' + '-'*15)

print(line[0:6])
print(line[:6])
print(line[6:12])
print(line[6:])
print(line[:])
print(line[::2])

print('-'*15 + '分割线' + '-'*15)

print(line[-5:-2])
print(line[0:4] + line[3::-1])   
print(line[-5:-2])



    


















    






语言大学
语大信
语
科
科信大语
---------------分割线---------------
北京语言大学
北京语言大学
信息科学学院
信息科学学院
北京语言大学信息科学学院
北语大信科学
---------------分割线---------------
息科学
北京语言言语京北
息科学

















In [33]:



    


line = '赏花归去马如飞'

for i in range(1, len(line)*2):
    if i == 1:
        print(line[0])
    elif i%2 == 1:
        print(line[:i//2] + line[i//2] + line[i//2-1::-1])
    else:
        print(line[:i//2] + line[i//2-1::-1])



    


















    






赏
赏赏
赏花赏
赏花花赏
赏花归花赏
赏花归归花赏
赏花归去归花赏
赏花归去去归花赏
赏花归去马去归花赏
赏花归去马马去归花赏
赏花归去马如马去归花赏
赏花归去马如如马去归花赏
赏花归去马如飞如马去归花赏

















In [34]:



    


numbers = ()
print(numbers)

numbers = tuple()
print(numbers)

numbers = (1)
print(numbers)

numbers = (1,)
print(numbers)

numbers = 1,
print(numbers)

numbers = (1, 2, 3, 4, 5)
print(numbers)

numbers = 1, 2, 3, 4, 5
print(numbers)



    


















    






()
()
1
(1,)
(1,)
(1, 2, 3, 4, 5)
(1, 2, 3, 4, 5)

















In [39]:



    


numbers = 1, 2, 3, 4, 5
for number in numbers:
    print(number)

print('-'*30)

numbers *= 2
for i in range(10):
    print(numbers[i])

print('-'*30)
numbers = (1, 2, 3, 4, 5) * 4
print(numbers)



    


















    






1
2
3
4
5
------------------------------
1
2
3
4
5
1
2
3
4
5
------------------------------
(1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5)

















In [40]:



    


def three_return_value():
    return 1, 2, 3
    
print(three_return_value())

def three_return_word():
    return 'one', 'two', 'three'

print(three_return_word())

def two_return_tuple():
    numbers1 = 1,2,3
    numbers2 = 4,5,6
    return numbers1, numbers2

print(two_return_tuple())

def two_return_list():
    numbers1 = [1,2,3]
    numbers2 = [4,5,6]
    return numbers1, numbers2

print(two_return_list())



    


















    






(1, 2, 3)
('one', 'two', 'three')
((1, 2, 3), (4, 5, 6))
([1, 2, 3], [4, 5, 6])

















In [43]:



    


numbers = []
numbers.append(10)
numbers.append(10)
print(numbers)

nums = []
nums.append(10)



    


















    






[10, 10]

















In [45]:



    


numbers = [1,2,3,4]
numbers[2] = 8
print(numbers)

nums =[1,2,3,4] 
nums[2] = 8         

line = 'abcde'
line[2] = 'f'      #元组，字符串不可变



    


















    






[1, 2, 8, 4]










    






---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-45-c5cc4a2fc182> in <module>()
      8 
      9 line = 'abcde'
---> 10 line[2] = 'f'         #错误，不支持

TypeError: 'str' object does not support item assignment
















In [46]:



    


line = str()
print('用str()初始化：', line == '')

line = 'abcdefghijklmn'
print('a' in line)
print('a' not in line)

for ch in line:
    print(ch)
    
print('--------------分隔线----------------')
for i in range(10):
    print(i, line[i])



    


















    






用str()初始化： True
True
False
a
b
c
d
e
f
g
h
i
j
k
l
m
n
--------------分隔线----------------
0 a
1 b
2 c
3 d
4 e
5 f
6 g
7 h
8 i
9 j

















In [49]:



    


#coding: utf-8
# 示例代码 30

def plalindrome(line):
    for i in range(1, len(line)*2):
        if i == 1:
            print(' '*(len(line)*2-1) +line[0])
        elif i%2 == 1:
            print(' '*(len(line)*2-i) + line[:i//2] + line[i//2] + line[i//2-1::-1])
        else:
            print(' '*(len(line)*2-i) + line[:i//2] + line[i//2-1::-1])

def main():
    text = '赏花归去马如飞'
    plalindrome(text)
    

if __name__ == '__main__':
    main()



    


















    






             赏
            赏赏
           赏花赏
          赏花花赏
         赏花归花赏
        赏花归归花赏
       赏花归去归花赏
      赏花归去去归花赏
     赏花归去马去归花赏
    赏花归去马马去归花赏
   赏花归去马如马去归花赏
  赏花归去马如如马去归花赏
 赏花归去马如飞如马去归花赏

















In [64]:



    


def reverse(s):
    print(len(s))
    for i in range(len(s)-1,-1,-1):
        print(s[i],end='')

s=input('请输入一个字符串：')
reverse(s)



    


















    






请输入一个字符串：123
3
321
















In [69]:



    


def tri(ch,row,cho):
    if(cho==1):
        for i in range(row+1):
            print(ch*i)
    if(cho==2):
        for i in range(row):
            print(' '*(row-i)+ch*(i*2-1))

cho=int(input('1.zhijiao.2.dengyao'))
row=int(input('hangshu'))
ch=input('fuhao')
tri(ch,row,cho)



    


















    






1.zhijiao.2.dengyao2
hangshu6
fuhao*
      
     *
    ***
   *****
  *******
 *********

















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In [9]:



    


#棋盘
def pan(q):
    flag=0
    for i in range(3):
        if((q[i+1][1]==q[i+1][2]==q[i+1][3]) and q[i+1][3]!='n'):
            flag=1
            char=q[i+1][1]
        if((q[1][1]==q[2][2]==q[3][3]) and q[1][1]!='n'):
            flag=1
            char=q[1][1]
        if((q[1][i+1]==q[2][i+1]==q[3][i+1]) and q[1][i+1]!='n'):
            flag=1
            char=q[1][i+1]
    if(flag):
        return char
    else :
        return 0

q=[['0','0','0','0'],['0','0','0','0'],['0','0','0','0'],['0','0','0','0']]
for i in range(4):
    q[i][1]='n'
    q[i][2]='n'
    q[i][3]='n'
def show(q):
    print('''
        1    2     3

    1  %c |  %c |  %c
      ----------------
    2  %c |  %c |  %c
      ----------------    
    3  %c |  %c |  %c

    '''%(q[1][1],q[1][2],q[1][3],q[2][1],q[2][2],q[2][3],q[3][1],q[3][2],q[3][3]))
    

while(1) :
    print('pls x ')
    a=int(input('坐标:x'))
    b=int(input("y"))
    q[a][b]='x'
    if(pan(q)):
        char=pan(q)
        break
    show(q)
    print('pls o ')
    c=int(input('坐标:x'))
    d=int(input('y'))
    q[c][d]='o'
    if(pan(q)):
        char=pan(q)
        break
    show(q)
print(char,' win')



    


















    






pls x 
坐标:x1
y1

        1    2     3

    1  x |  n |  n
      ----------------
    2  n |  n |  n
      ----------------    
    3  n |  n |  n

    
pls o 
坐标:x2
y2

        1    2     3

    1  x |  n |  n
      ----------------
    2  n |  o |  n
      ----------------    
    3  n |  n |  n

    
pls x 
坐标:x3
y3

        1    2     3

    1  x |  n |  n
      ----------------
    2  n |  o |  n
      ----------------    
    3  n |  n |  x

    
pls o 
坐标:x2
y1

        1    2     3

    1  x |  n |  n
      ----------------
    2  o |  o |  n
      ----------------    
    3  n |  n |  x

    
pls x 
坐标:x2
y3

        1    2     3

    1  x |  n |  n
      ----------------
    2  o |  o |  x
      ----------------    
    3  n |  n |  x

    
pls o 
坐标:x2
y2

        1    2     3

    1  x |  n |  n
      ----------------
    2  o |  o |  x
      ----------------    
    3  n |  n |  x

    
pls x 
坐标:x2
y2
x  win

















In [ ]:

Content source: ZMMzhangmingming/liupengyuan.github.io

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