>>>from string import maketrans # 引用 maketrans 函数。 >>>intab = "aeiou" >>>outtab = "12345" >>>trantab = maketrans(intab, outtab) >>>a = "this is string example...wow!!!" >>>a.translate(trantab) th3s 3s str3ng 2x1mpl2...w4w!!! 1. 2. 3. 4. 5. 6. 7. 用...
python ascii排序 python中ascii_lowercase 字符串常量 string.ascii_lowercase 返回所有的小写字母。 >>> string.ascii_lowercase 'abcdefghijklmnopqrstuvwxyz' 1. 2. string.ascii_uppercase 返回所有的大写字母。 >>> string.ascii_uppercase 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 1. 2. string.ascii_letters 是上述ascii...
1 首先在PyCharm软件中，打开一个Python项目。2 在Python项目中，新建并打开一个空白的python文件（比如：test.py）。3 在python文件编辑区中，输入：“import string”，导入 string 模块。4 输入：“x = string.ascii_lowercase”，点击Enter键。5 然后输入：“print(x)”，打印出 string.ascii_lowercase 属性。
The X3.2.4 task group voted its approval for the change to ASCII at its May 1963 meeting. Locating the lowercase letters in columns 6 and 7 caused the characters to differ in bit pattern from the upper case by a single bit, which simplified case-insensitive character matching and the const...
, etc.ASCII Values and Characters: Each ASCII character is associated with an integer value. For example, the ASCII value of the uppercase letter 'A' is 65, while the ASCII value of the lowercase letter 'a' is 97. The ASCII value of the digit '0' is 48, and the ASCII value of a...
def to_lowercase(text): return ''.join([chr(ord(c) + 32) if 'A' <= c <= 'Z' else c for c in text]) print(to_lowercase("Hello, World!")) 输出:"hello, world!"
Locating the lowercase letters in columns 6 and 7 caused the characters to differ in bit pattern from the upper case by a single bit, which simplifiedcase-insensitivecharacter matching and the construction of keyboards and printers. 做大小写不敏感的字符串查找就快多了 ...
Locating the lowercase letters in columns 6 and 7 caused the characters to differ in bit pattern from the upper case by a single bit, which simplified case-insensitive character matching and the construction of keyboards and printers. 如果是大写字母 ...
Locating the lowercase letters in columns 6 and 7 caused the characters to differ in bit pattern from the upper case by a single bit, which simplified case-insensitive character matching and the construction of keyboards and printers. 如果是大写字母 ...
print str[-3:-1] #截取倒数第三位与倒数第一位之前的字符 print str[-3:] #截取倒数第三位到结尾 print str[:-5:-3] #逆序截取 7.string 模块 import string string.ascii_uppercase 所有大写字母 string.ascii_lowercase 所有小写字母 string.ascii_letters 所有字母 string.digits 所有数字...