代码
name=input('请输入年份:')
if name % 4 == 0:
if name % 100 != 0:
print(name+'年不是闰年')
else:
print(name+'年不是闰年')
else:
print(name+'年不是闰年')
报错
if name % 4 == 0:
TypeError: not all arguments converted during string formatting