text="Hello, World!"uppercase_letters=re.findall(r'[A-Z]',text)print(uppercase_letters) 1. 2. 3. 4. 5. 在上面的代码中,我们使用re.findall函数并传入正则表达式[A-Z]来匹配所有大写字母,并将结果打印出来。运行代码后输出为:['H', 'W']。 饼状图展示 为了更直观地展示过滤出的大写字母在...
uppercase_letters = string.ascii_uppercase print(uppercase_letters) # 输出:’ABCDEFGHIJKLMNOPQRSTUVWXYZ’ “` 3. 小写字母库 字符串模块也提供了一个名为`string.ascii_lowercase`的常量,它包含了所有的小写字母。可以使用以下代码来访问小写字母库: “`python import string lowercase_letters = string.ascii...
digits=string.digits special_chars=string.punctuation # 至少各包含一个类型的字符 password=[random.choice(uppercase_letters),random.choice(lowercase_letters),random.choice(digits),random.choice(special_chars)]# 填充剩余字符 all_chars=uppercase_letters+lowercase_letters+digits+special_chars password+=rand...
ascii_letters:'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'ascii_lowercase:'abcdefghijklmnopqrstuvwxyz'ascii_uppercase:'ABCDEFGHIJKLMNOPQRSTUVWXYZ'capwords:<function capwords at 0x000001CCBCA76160>digits:'0123456789'hexdigits:'0123456789abcdefABCDEF'octdigits:'01234567'printable:'0123456789abcdef...
The characters in string A and B are all uppercase letters. 比较A和B的字频,看A是否以相同的频数包含B全部的字符。 Example 1 Input: s = "ABCD", t = "ABC".Output: true. Example 2 Input: s = "ABCD", t = "AABC".Output: false. ##这里 t中有两个A,而字符串s中只有一个A,所以s...
deffind_uppercase(string):uppercase_letters=[]forcharinstring:ifchar.isupper():uppercase_letters.append(char)returnuppercase_letters string="Hello World"result=find_uppercase(string)print(result)# Output: ['H', 'W'] 1. 2. 3. 4.
To do this task, we will use the concepts ofASCII value.ASCIIstands for the American Standards Code for Information exchange. It provides us the numerical value for the representation of characters. The ASCII value of uppercase letters and lowercase alphabets start from 65 to 90 and 97-122 re...
islower() print("Input string is: ", str1) print("Total number of uppercase letters: ", no_of_ucase) print("Total number of lowercase letters: ", no_of_lcase) OutputRUN 1: Input a string: Hello World! Input string is: Hello World! Total number of uppercase letters: ...
#使用re模块的findall()函数匹配字符串中的大写字母 uppercase_letters = re.findall(r'[A-Z]', string)if uppercase_letters:print("字符串中包含大写字母")else:print("字符串中不包含大写字母")#使用re模块的findall()函数匹配字符串中的小写字母 lowercase_letters = re.findall(r'[a-z]', string)
You can access the namegreetingand continue interacting with it. For example, you can use thestring method.upper()on the variablegreeting. This string method builds a new string from the one you called it on using all uppercase letters. So, you get'HELLO, WORLD!'as your output: ...