实验2 字符串和列表

 1 x = 'nba FIFA'
 2 print(x.upper())
 3 print(x.lower())
 4 print(x.swapcase())
 5 print()
 6 
 7 x = 'abc'
 8 print(x.center(10, '*'))
 9 print(x.ljust(10, '*'))
10 print(x.rjust(10, '*'))
11 print()
12 
13 x = '123'
14 print(x.zfill(10))
15 x = 123
16 print(str(x).zfill(10))
17 print()
18 
19 x = 'phone_number'
20 print(x.isidentifier())
21 x = '222test'
22 print(x.isidentifier())
23 print()
24 
25 x = ' '
26 print(x.isspace())
27 x = '\n'
28 print(x.isspace())
29 print()
30 x = 'python is fun'
31 table = x.maketrans('thon', '1234')
32 print(x.translate(table))

x = [5,11,9,7,42]

print('整数输出1：',end = '')
i = 0
while i < len(x):
    print(x[i],end = ' ')
    i += 1

print('\n整数输出2: ', end = '')
i = 0
while i < len(x):
    print(f'{x[i]:02d}',end = '-')
    i +=1

print('\n整数输出3：',end = '')
i = 0
while i < len(x) - 1:
    print(f'{x[i]:02d}', end = '-')
    i += 1
print(f'{x[-1]:02d}')

print('\n字符输出1：',end = '')
y1 = []
i = 0
while i <len(x):
    y1.append(str(x[i]))
    i+=1
print('-'.join(y1))

print('字符输出2：',end = '')
y2 = []
i = 0
while i < len(x):
    y2.append(str(x[i]).zfill(2))
    i += 1
print('-'.join(y2))

 1 name_list = ['david bowie', 'louis armstrong', 'leonard cohen', 'bob dylan',
 2 'cocteau twins']
 3 #1
 4 i = 0
 5 while i <len(name_list):
 6     print(name_list[i].title())
 7     i +=1
 8 
 9 print()
10 
11 #2
12 t = []
13 i = 0
14 while i <len(name_list):
15     t.append(name_list[i].title())
16     i +=1
17 
18 print('\n'.join(t))

name_list = ['david bowie', 'louis armstrong', 'leonard cohen', 'bob dylan', 'cocteautwins']
new_namelist = sorted(name_list)
i = 0
while i<len(new_namelist):
    n = i +1
    print('{}.'.format(n),end = '')
    print(new_namelist[i].title())
    i +=1

print()