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How to output the number of characters in a line in Python: use the len() function to calculate the length of the string and use the string method count() to calculate the number of null characters (that is, the length of the string)
How to use Python to output the number of characters in a line
In Python, you can use the following method to output the number of characters in a line:
<code class="python">text = input("请输入一行文本:") text_length = len(text) print("字符数:", text_length)</code>
<code class="python">text = input("请输入一行文本:") num_chars = text.count("") print("字符数:", num_chars)</code>
Example:
<code class="python">text = "Hello World!" text_length = len(text) print("字符数:", text_length)</code>
Output:
<code>字符数: 12</code>
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