code convert_to_uppercase(text) code converted_text = convert_to_uppercase(text) code print(converted_text) section 方法二:使用正则表达式 code convert_to_uppercase(text) code converted_text = convert_to_uppercase(text) code print(converted_text) section 总结 code convert_to_uppercase(text) c...
ascii_upper_case = string.ascii_uppercase# Output: ABCDEFGHIJKLMNOPQRSTUVWXYZ forone_letterinascii_upper_case[:5]:# Loop through ABCDE print(ord(one_letter)) Output: 65 66 67 68 69 # Convert digit characters to their ASCII decimal numbers ascii_digits = string.digits# Output: 0123456789 fo...
Return True if the string is an uppercase string, False otherwise. A string is uppercase if all cased characters in the string are uppercase and there is at least one cased character in the string. join print('-'.join(['bc', 'de'])) 结果 bc-de 1. 2. 3. Example: '.'.join([...
Write a Python program to convert all the characters into uppercase and lowercase and eliminate duplicate letters from a given sequence. Use the map() function. Sample Solution: Python Code : # Define a function named change_cases that converts a character to its upper and lower casesdefchange...
A string is uppercase if all cased characters in the string are uppercase and there is at least one cased character in the string. """ pass def join(self, ab=None, pq=None, rs=None): # real signature unknown; restored from __doc__ ...
string.upper(),string.lower()和string.title()方法是Python中的内置方法,用于将字符串格式化为特殊格式,例如大写,小写或小写。 1) string.upper() 1)string.upper() Method returns uppercase string (where all characters of the string are in uppercase). ...
split([delim]) # Split string into list of substrings s.startswith(prefix) # Check if string starts with prefix s.strip() # Strip leading/trailing space s.upper() # Convert to upper case 字符串的可变性 字符串是“不可变的”或者说是只读的。一旦创建,字符串的值就无法修改。 >>> s = ...
'stRINg lEArn ' >>> >>> str.rjust(20) #str右对齐 ' stRINg lEArn' >>> >>> str.zfill(20) #str右对齐,左边填充0 '00000000stRINg lEArn' 大小写转换 >>> str='stRINg lEArn' >>> >>> str.upper() #转大写 'STRING LEARN' >>> ...
is at least one character in the string. """ pass 翻译:如果字符串是数字字符串则返回True,否则返回False 如果字符串里面的所有字符都是数字,则是个数字字符串,并且这个字符串不为空字符串。 View Code 3.isalnum def isalnum(self, *args, **kwargs): # real signature unknown ...
ASCII characters have code points in the range U+0000-U+007F. Empty string is ASCII too. """ pass def isdecimal(self, *args, **kwargs): # real signature unknown """ Return True if the string is a decimal string, False otherwise. A string is a decimal string if all characters in...