如何查看列表中每个字符串的第一个字母是否为大写？(Python)

def check_first_letter(strings):
    for string in strings:
        if string[0].isupper():
            print(f"The first letter of '{string}' is uppercase.")
        else:
            print(f"The first letter of '{string}' is not uppercase.")

# 测试示例
strings = ["Hello", "world", "Python", "programming"]
check_first_letter(strings)

The first letter of 'Hello' is uppercase.
The first letter of 'world' is not uppercase.
The first letter of 'Python' is uppercase.
The first letter of 'programming' is not uppercase.