# 从键盘输入一行字符
line = input("请输入一行字符:")
# 初始化计数器
english_count = 0
digit_count = 0
space_count = 0
other_count = 0
# 统计字符个数
for char in line:
if char.isalpha():
english_count += 1
elif char.isdigit():
digit_count += 1
elif char.isspace():
space_count += 1
else:
other_count += 1
# 输出统计结果
print("英文字符个数:", english_count)
print("数字个数:", digit_count)
print("空格个数:", space_count)
print("其他字符个数:", other_count)