43 lines
1.8 KiB
Python
43 lines
1.8 KiB
Python
|
|
|||
|
|
magicians = ['alice', 'david', 'carolina']
|
|||
|
|
for magician in magicians:
|
|||
|
|
print(magician)
|
|||
|
|
|
|||
|
|
print(0b1101010)
|
|||
|
|
|
|||
|
|
value = int('1101010', 2)
|
|||
|
|
print(value) # 106
|
|||
|
|
|
|||
|
|
value = int('125', 8)
|
|||
|
|
print(value) # 85
|
|||
|
|
|
|||
|
|
value = int('3f2a1', 16)
|
|||
|
|
print(value) # 258721
|
|||
|
|
|
|||
|
|
print(bin(106)) # 0b1101010 十进制转二进制
|
|||
|
|
print(oct(85)) # 0o125 十进制转八进制
|
|||
|
|
print(hex(258721)) # 0x3f2a1 十进制转十六进制
|
|||
|
|
|
|||
|
|
text = '1aa2'
|
|||
|
|
print(text.split('a'))
|
|||
|
|
|
|||
|
|
# 1. 将字符串 "abcd" 转成大写
|
|||
|
|
print("abcd".upper())
|
|||
|
|
# 2. 计算字符串 "cd" 在 字符串 "abcd"中出现的位置
|
|||
|
|
print("abcd".index('cd'))
|
|||
|
|
print("abcd".find('cd'))
|
|||
|
|
# 3. 字符串 "a,b,c,d" ，请用逗号分割字符串，分割后的结果是什么类型的？
|
|||
|
|
print("a,b,c,d".split(','))
|
|||
|
|
# 4. "{name}喜欢{fruit}".format(name="李雷") 执行会出错，请修改代码让其正确执行
|
|||
|
|
print("{name}喜欢{fruit}".format(name="李雷", fruit='水果'))
|
|||
|
|
# 5. string = "Python is good", 请将字符串里的Python替换成 python,并输出替换后的结果
|
|||
|
|
print("Python is good".replace("Python", "python"))
|
|||
|
|
# 6. 有一个字符串 string = "python修炼第一期.html"，请写程序从这个字符串里获得.html前面的部分，要用尽可能多的方式来做这个事情
|
|||
|
|
print("python修炼第一期.html".split('.')[0])
|
|||
|
|
# 7. 如何获取字符串的长度？
|
|||
|
|
# 8. "this is a book",请将字符串里的book替换成apple
|
|||
|
|
# 9. "this is a book", 请用程序判断该字符串是否以this开头
|
|||
|
|
# 10. "this is a book", 请用程序判断该字符串是否以apple结尾
|
|||
|
|
# 11. "This IS a book"， 请将字符串里的大写字符转成小写字符
|
|||
|
|
# 12. "This IS a book"， 请将字符串里的小写字符，转成大写字符
|
|||
|
|
# 13. "this is a book\n"， 字符串的末尾有一个回车符，请将其删除
|