实验2

task1

x = 'phone_number'
print(x.isidentifier())
x = '222test'
print(x.isidentifier())
print()
x = ' '
print(x.isspace())
x = '\n'
print(x.isspace())
print()

x = 'python is fun'
table = x.maketrans('thon', '1234')
print(x.translate(table))

运行结果

 

 

 

 task2

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))

实验结果

 

 task3

name_list = ['david bowie', 'louis armstrong', 'leonard cohen', 'bob dylan',
'cocteau twins']
i = 0
while i < len(name_list):
    print(name_list[i].title())
    i += 1
print()

实验结果

 

 task4

name_list = ['david bowie', 'louis armstrong', 'leonard cohen', 'bob dylan',
'cocteau twins']
i = 0
while i < len(name_list):
    print(name_list[i].title())
    i += 1
print()

实验结果