# access characters in string # declare, assign string str = "Hello world" # print complete string print "str:", str # print first character print "str[0]:", str[0] # print second character print "str[1]:", str[1] # print last character print "str[-1]:", str[-1] # print ...
>>> 'ABC'.encode('ascii')b'ABC'>>> '浪子大侠'.encode('utf-8')b'xe6xb5xaaxe5xadx90xe5xa4xa7xe4xbexa0'>>> '浪子大侠'.encode('ascii')Traceback (most recent call last): File "", line 1, in UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-3: ordinal ...
wrapped_text = textwrap.fill(text, width=40) print(wrapped_text) 这段代码的输出结果是: This is a very long line of text that we want to wrap to a new line after a certain number of characters. 在这里,我们使用textwrap.fill()函数将长文本包装成多行,每行的最大宽度为40个字符。 十、在...
Python's print() function comes with a parameter called end. By default, the value of this parameter is '\n', i.e., the new line character. We can specify the string/character to print at the end of the line.ExampleIn the below program, we will learn how to use the end parameter...
Return the number of non-overlapping occurrences of substring sub in string S[start:end]. Optional arguments start and end are interpreted as in slice notation. 查找子字符串 sub 在字符串中出现的次数,可选参数,开始 和 结束 可理解为切片
Write a Python program to print the index of a character in a string.Sample Solution:Python Code:# Define a string 'str1'. str1 = "w3resource" # Iterate through the characters of the string using enumeration. # 'index' contains the position of the character, and 'char' contains the ...
text = text.upper()ifall(keysinalphabetforkeysintext):returntextelse:print("\nThe text must contain only characters from the english alphabet ([A to Z] or [a to z]).")# Check if the key is a square in lengthdefis_square(key): ...
Hexadecimal equivalent of the number = f Using multiple variables: When referring to multiple variables parenthesis is used. Example: str1='World'str2=':'print("Python %s %s"%(str1,str2)) Copy Output: Python World : Repeating Characters ...
使用python+selenium运行自动化脚本时,打印某一段文字出现UnicodeEncodeError: 'ascii' codec can't encode characters in position 0-1: ordinal not in range(128)报错. 原因:编码未进行转换. 解决方式:print时,在后面加上encode("utf-8")即可. 例如: tx = driver.find_element_by_xpath(".//*[@id='1'...
Python中的print可以接受任意数量的参数,默认情况下,它将输出用空格分隔的所有值。您可以将此分隔符更改为其他分隔符,或者将一些输出合并为string(因此您可以指定它是否有空格),或者使用字符串格式或其他方式。 For example: print ('The sum of', firstNumber, 'and', secondNumber, 'is', str(resultingNumber)...