Find Number in String Python Using isdigit() and split() Method Thesplit()method splits the text or string into words, andisdigit()checks whether the word consists of a digit. Also, you will use the list compre
a nice string representation of the object. | If the argument is a string, the return value is the same object. | | Method resolution order: | str | basestring | object | | Methods defined here: | | __add__(...) | x.__add__(y) <==> x+y | | __contains__(...) | x...
# Python program to find uncommon words from two string,# Getting strings as input from the userstr1=input('Enter first string : ')str2=input('Enter second string : ')# finding uncommon wordsstr1List=str1.split()str2List=str2.split()uncommonWords=''forwordsinstr1List:ifwordsnotinstr2...
python -m timeit -s "str = 'h3110 23 cat 444.4 rabbit 11 2 dog' * 1000" "[s for s in str.split() if s.isdigit()]" 100 loops, best of 3: 2.84 msec per loop python -m timeit -s "import re" "str = 'h3110 23 cat 444.4 rabbit 11 2 dog' * 1000" "re.findall('\\b...
Write a Python program to find and print all unique five-letter words in a paragraph. Write a Python program to count the number of five-letter words in a text and display the result. Python Code Editor:
如果想在一个字符串中从前向后查找有没有另外一个字符串,可以使用字符串的find或index方法。在使用find和index方法时还可以通过方法的参数来指定查找的范围,也就是查找不必从索引为0的位置开始。 s = 'hello, world!' print(s.find('or')) # 8 print(s.find('or', 9)) # -1 print(s.find('of')...
import re with open('test.txt','r')as f: data = f.read() result = re.findall(r"[^a-zA-Z]+",data) print("the number of words in the file is: %s" % len(result)) 结果是150? import re def get_num(): num = 0 f = open('test.txt', 'r') for line in f.readlines...
# set version def find_unique_price_using_set(products): unique_price_set = set() for _, price in products: unique_price_set.add(price) return len(unique_price_set) products = [ (143121312, 100), (432314553, 30), (32421912367, 150), (937153201, 30) ] print('number of unique pric...
z = s[::-1]ifs == z:print("The string is a palindrome")else:print("The string is not a palindrome") 运行程序: 5. 单词计数 在这个例子中我们对用户输入的一行文本进行单词计数。 #!/usr/bin/env python3s =input("Enter a line: ")print("The number of words in the line are %d"% ...
# 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)...