In[1]:an_apple=27In[2]:an_example=42In[3]:an<Tab>an_apple an_example any 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # 使用Tab补充变量的方法 In[3]:b=[1,2,3]In[4]:b.<Tab>append()count()insert()reverse()clear()extend()pop()sort()copy()index()remove() 代码语言:java...
至少有 1 个特殊字符。import stringimport secretsimport randomdefgenerate_strong_password(): special_characters = '!#$%&@_~' password_choices = string.ascii_letters + string.digits + special_characterswhileTrue: password = ''.join(secrets.choice(password_choices) for _ in range(random...
expandtabs([tabsize]) -> string Return a copy of S where all tab characters are expanded using spaces. If tabsize is not given, a tab size of 8 characters is assumed. """ return "" def find(self, sub, start=None, end=None): """ 寻找子序列位置,如果没找到,返回 -1 """ """ ...
# Python program to find the# maximum frequency character in the string# Getting string input from the usermyStr=input('Enter the string : ')# Finding the maximum frequency character of the stringfreq={}foriinmyStr:ifiinfreq:freq[i]+=1else:freq[i]=1maxFreqChar=max(freq,key=freq.get)...
Return True if the string is an alpha-numeric string, False otherwise. A string is alpha-numeric if all characters in the string are alpha-numeric and there is at least one character in the string. """ pass defisalpha(self, *args, **kwargs): # real signature unknown ...
Finding Substrings in a String: The in and not in Operators Exploring Built-in Functions for String Processing Finding the Number of Characters: len() Converting Objects Into Strings: str() and repr() Formatting Strings: format() Processing Characters Through Code Points: ord() and chr() Inde...
Stringsin Python are immutable means they cannot be changed once defined. Special characters are characters other than alphabets. The set contains "[@_!#$%^&*()<>?/\|}{~:]". Checking if a string contains any special character To check for the presence of any special character in a str...
To Find the Length of a String in Python, you can use a len() function. It returns the number of characters(including spaces and punctuation) in the string.
""" return 0 def encode(self, *args, **kwargs): # real signature unknown """ Encode the string using the codec registered for encoding. encoding The encoding in which to encode the string. errors The error handling scheme to use for encoding errors. The default is 'strict' meaning that...
主要在于未查询到值后的返回情况: 1).index()未查询到,会抛出一个异常:ValueError: substring not found 2).find()未查找到,会返回-1# 使用string的index()查询不到 >>> str1.index('G') Traceback (most recent call last): File "", line 1, in <module> ValueError: substring not found # 使用...