This example demonstrates how to use the any and isalpha functions to check if a character string contains a letter from the alphabet. Let’s check our first character string my_string1: print(any(c.isalpha()forcinmy_string1))# Check if letters are contained in string# True ...
# Import the 'string' and 'sys' modules import string import sys # Define a function named 'ispangram' that checks if a string is a pangram def ispangram(str1, alphabet=string.ascii_lowercase): # Create a set 'alphaset' containing all lowercase letters from the provided alphabet alphas...
print(main_string[0]) # Index 1 print(main_string[1]) # Check if Index 1 is whitespace print(main_string[1].isspace()) # Slicing 1 print(main_string[0:11]) # Slicing 2: print(main_string[-18:]) # Slicing and concatenation print(main_string[0:11] + ". " + main_string[-18...
17>>> is_number('Nan') # not a number"Nan" string False >>> is_number('nan') # not a number string"nan" with all lower cased False >>> is_number('123') # positive integer True >>> is_number('-123') # negative integer True >>> is_number('-1.12') # negative `float` T...
another_string_function = str(True)# str converts a boolean data type to string data type # An empty string empty_string ='' # Also an empty string second_empty_string ="" # We are not done yet third_empty_string ="""# This is also an empty string: ''' 在Python ...
zfill(5) # len(example_zfill) is 5 print(example_zfill) Output: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 000.8 str.isalpha(): 如果字符串中的所有字符都是字母,该方法返回True;否则返回 False: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # Alphabet string alphabet_one = "...
# creating a list of lettersimport stringlist(string.ascii_lowercase)alphabet = list(string.ascii_lowercase)# list comprehensiond = {val:idx for idx,val in enumerate(alphabet)} d#=> {'a': 0,#=> 'b': 1,#=> 'c': 2,#=> ...#=> 'x': 23,#=> 'y': 24,#=> 'z':...
if token.isdigit(): result = True # pass alpha if is_alphabet_string(token.lower()): result = True # pass not chinese if not is_chinese_string(token): result = True return result 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. ...
3. Get string of first and last 2 chars. Write a Python program to get a string made of the first 2 and last 2 characters of a given string. If the string length is less than 2, return the empty string instead. Sample String : 'w3resource' ...
If a is matched first, b is left untried. 匹配表达式a或者表达式b,如果表达式a匹配成功,则表达式b不再尝试匹配 5.4 集合Sets ExpressionsExplanations [abc] Matches either a, b, or c. It does not match abc. 匹配a,b,c中的任何一个,不匹配abc [a-z] Matches any alphabet from a to z. 匹配...