Python程序输入一个字符串并查找总数的大写和小写字母

心已赠人 2023-03-05 05:30 4阅读 0赞

Given a string ***str1*** and we have to count the total numbers of uppercase and lowercase letters.

给定字符串***str1*** ，我们必须计算大写和小写字母的总数。

**Example:**

**例：**

Input: 
        "Hello World!"
        Output:
        Uppercase letters: 2
        Lowercase letters: 8
    
        Input: 
        "[email protected]"
        Output:
        Uppercase letters: 1
        Lowercase letters: 4

**Method 1:**

**方法1：**

(Manual) By checking each character of the string with a range of uppercase and lowercase letters using the conditional statement.

(手动)通过使用条件语句检查字符串中每个字符的大小写范围。

print("Input a string: ")
    str1 = input()
    
    no_of_ucase, no_of_lcase = 0,0
    
    for c in str1:
        if c>='A' and c<='Z':
            no_of_ucase += 1
        if c>='a' and c<='z':
            no_of_lcase += 1
    
    print("Input string is: ", str1)
    print("Total number of uppercase letters: ", no_of_ucase)
    print("Total number of lowercase letters: ", no_of_lcase)

**Output**

**输出量**

RUN 1:
    Input a string: 
    Hello World!
    Input string is:  Hello World!
    Total number of uppercase letters:  2
    Total number of lowercase letters:  8
    
    RUN 2:
    nput a string: 
    [email protected]
    Input string is:  [email protected]
    Total number of uppercase letters:  1
    Total number of lowercase letters:  4

**Method 2:**

**方法2：**

By using islower() and isupper() methods

通过使用islower()和isupper()方法

print("Input a string: ")
    str1 = input()
    
    no_of_ucase, no_of_lcase = 0,0
    
    for c in str1:
      no_of_ucase += c.isupper()
      no_of_lcase += c.islower()
    
    print("Input string is: ", str1)
    print("Total number of uppercase letters: ", no_of_ucase)
    print("Total number of lowercase letters: ", no_of_lcase)

**Output**

**输出量**

> 翻译自: [https://www.includehelp.com/python/program-to-input-a-string-and-find-total-number-of- uppercase-and-lowercase-letters.aspx][https_www.includehelp.com_python_program-to-input-a-string-and-find-total-number-of- uppercase-and-lowercase-letters.aspx]

[https_www.includehelp.com_python_program-to-input-a-string-and-find-total-number-of- uppercase-and-lowercase-letters.aspx]: https://www.includehelp.com/python/program-to-input-a-string-and-find-total-number-of-%20uppercase-and-lowercase-letters.aspx