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有人可以告诉我这段代码有什么问题吗?我将最后一个值作为最大值和最小值
#Finding the maximum and minimum value for the entered intigers
while True:
Read_no= raw_input("Kindly enter a number:")
if Read_no == 'done':
break
try:
read_no = int(Read_no)
except :
print"Invalid input"
continue
maximum= None
minimum= None
if maximum is None or read_no> maximum:
maximum= read_no
if minimum is None or read_no< minimum:
minimum= read_no
print "Maximum is", maximum
print "Minimum is", minimum