题解 | #牛牛的小数输出#
牛牛的小数输出
https://www.nowcoder.com/practice/0454d1bd28cd499ba06afdabe0fb9caf
num = float(input())
a = str(num).split('.')
def substr():
a = str(num).split('.')
if len(a[1]) < 2:
a[1] = a[1] + str(0)
return '.'.join(a)
else:
a[1] = a[1][0:2]
return '.'.join(a)
a = substr()
print(a)
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