高级编程技术_课后作业（五）

最新推荐文章于 2023-07-09 21:14:59 发布

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本文提供了一段Python代码示例，展示了如何根据用户身份显示不同的欢迎信息，并检查用户名是否已被使用。此外，还展示了如何将数字转换为序数表示。

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说明

下面为课本上第五章动手试一试中的部分习题

5-8

code：

def special_hello(str):
	print('Hello ' + str + ', would you like to see a status report?')
def hello(str):
	print('Hello ' + str + ', thank you for logging in again.')
customers = ['admin', 'Zero', 'Peter', 'John']
for customer in customers:
	if customer == 'admin':
		special_hello(customer)
	else:
		hello(customer)

result：

5-9

code:

def special_hello(str):
	print('Hello ' + str + ', would you like to see a status report?')
def hello(str):
	print('Hello ' + str + ', thank you for logging in again.')
customers = ['admin', 'Zero', 'Peter', 'John']
for customer in customers:
	if customer == 'admin':
		special_hello(customer)
	else:
		hello(customer)
for customer in customers:
	customers.remove(customer)
if  customers:
	print("We need to find some users!")

result:

5-10

code:

current_users = ['admin', 'zero', 'peter', 'JOHN', 'blue']
new_users = ['zero', 'jOhn', 'kkk', 'vvv', 'ooo']
for new_user in new_users:
	flag = True
	for current_user in current_users:
		if new_user.lower() == current_user.lower():
			print(new_user.title() + " is used, you should enter another id-name.")
			flag = False
			break;
	if flag:
		print("The id-name " + new_user + "is not used.")

result:

5-11

code:

numbers = list(range(1, 10))
for number in numbers:
	if number == 1:
		print('1st')
	elif number == 2:
		print('2nd')
	elif number == 3:
		print('3rd')
	else:
		print(str(number) + 'th')

result: