题解 | #学生基本信息输入输出#

#from decimal import Decimal
#from fractions import Fraction

info = input()
no, s = info.split(";")
s1,s2,s3 = map(lambda x:round(float(x)+1e-10,2), s.split(","))
#s1,s2,s3 = map(lambda x:float(round(Fraction(x),2)), s.split(","))
#s1,s2,s3 = map(lambda x:round(Decimal(x),2), s.split(","))
#s1,s2,s3 = map(lambda x:round(float(x),2), s.split(","))
print(f"The each subject score of No. {no} is {s1:.2f}, {s2:.2f}, {s3:.2f}.")
#print(f"The each subject score of No. {no} is {round(s1,2)}, {round(s2,2)}, {round(s3,2)}.")
#print(f"The each subject score of No. {no} is {s1}, {s2}, {s3}.")

这里面水很深，我把握不住