
#编写函数,接收一个字符串,分别统计大写字母,小写字母,数字,其他字符的个数,并以元组的形式返回结果
def count_characters(input_string):
uppercase_count = 0
lowercase_count = 0
number_count = 0
other_count = 0
for ch in input_string:
if ch.isupper():
uppercase_count += 1
elif ch.islower():
lowercase_count += 1
elif ch.isnumeric():
number_count += 1
else:
other_count += 1
return (uppercase_count, lowercase_count, number_count, other_count)
print(count_characters("ABCaaaaaa123456BBBbbbbbbb"))


