The .istitle() method returns True if the target string isn’t empty, the first alphabetic character of each word is uppercase, and all other alphabetic characters in each word are lowercase. It returns False otherwise: Python >>> "This Is A Title".istitle() True >>> "This is a tit...
s.istitle() returns True if s is nonempty, the first alphabetic character of each word is uppercase, and all other alphabetic characters in each word are lowercase. It returns False otherwise: 如果s s.istitle()空, s.istitle()返回True ,则每个单词的第一个字母字符为大写,而每个单词中的所有其...
the return value is the same object. 7 """ 8 def capitalize(self): 9 """ 首字母变大写 """ 10 """ 11 S.capitalize() -> string 12 13 Return a copy of the string S with only its first character 14 capitalized
ASCII value of the character A is 65. ASCII value of the character B is 66. ASCII value of the character C is 67. ASCII value of the character Z is 90. ASCII value of the character a is 97. ASCII value of the character b is 98. ASCII value of the character c is 99. ASCII va...
This implementation can handle only alphabetic characters, so the function first checks that text is an alphabetic character in the ASCII encoding:Python def caesar_cipher(text, shift, decrypt=False): if not text.isascii() or not text.isalpha(): raise ValueError("Text must be ASCII and ...
The time complexity of the python upper function is O(n), where n is the length of the input string. This is because the function needs to iterate through each character in the string to check if it is alphabetic and convert it to uppercase if necessary. Since the function needs to che...
s.endswith(suffix) # Check if string ends with suffix s.find(t) # First occurrence of t in s s.index(t) # First occurrence of t in s s.isalpha() # Check if characters are alphabetic s.isdigit() # Check if characters are numeric s.islower() # Check if characters are lower-case...
isalpha() # Check if characters are alphabetic s.isdigit() # Check if characters are numeric s.islower() # Check if characters are lower-case s.isupper() # Check if characters are upper-case s.join(slist) # Join a list of strings using s as delimiter s.lower() # Convert to lower...
A. Checks if all characters are alphabetic B. Checks if all characters are digits C. Checks if the string is empty D. Checks if the string contains only whitespace Show Answer 2. Which method would you use to check if a string starts with a specific substring? A. startswith() ...
‘\w’, ‘\W’ The “\w” is used to match the alphabetic and numeric characters in the string. The “\W” works opposite to “\w”. ‘\Z’ It is used to match the particular character at the end of the string. It works like the “$” character. Example 1: Match the String...