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  • python程序 计算时间差加减

    1 import time,datetime,sys,string
    2  class clock:
    3 def __init__(self):
    4 self.time = datetime.datetime(1,1,1,0)
    5 def obase(self,inputstr):
    6 strs = string.split(inputstr,".")
    7 return datetime.timedelta(minutes=int(strs[0]),seconds=int(strs[1]))
    8 def add(self,inputstr):
    9 self.time = self.time + self.obase(inputstr)
    10 def sub(self,inputstr):
    11 self.time = self.time - self.obase(inputstr)
    12 def show(self):
    13 if self.time.hour==0:
    14 return str(self.time.minute)+":"+str(self.time.second)
    15 else:
    16 return str(self.time.hour)+":"+str(self.time.minute)+":"+str(self.time.second)
    17
    18  print "example:"
    19  print "1.00+2.00"
    20  print "2.30-1.00+2.00+2.00\n"
    21 while True:
    22 inp = raw_input("input:")
    23 inp = string.replace(inp,"+"," + ")
    24 inp = string.replace(inp,"-"," - ")
    25 try:
    26 inps = string.split(inp," ")
    27 c = clock()
    28 c.add(inps[0])
    29 i = 1
    30 while len(inps)>(i+1):
    31 if inps[i]=="+":
    32 c.add(inps[i+1])
    33 elif inps[i]=="-":
    34 c.sub(inps[i+1])
    35 else:
    36 continue
    37 i = i + 2
    38 print "Result:" + c.show() + "\n"
    39 except:
    40 print "error\n"
    41 pass
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  • 原文地址:https://www.cnblogs.com/catcat811/p/1660950.html
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