complex if statement in python

Question

I need to realize a complex if-elif-else statement in Python but I don t get it working   The elif line I need has to check a variable for this conditions   80  443 or 1024-65535 inclusive  I tried   if           several checks       elif  var1  gt  65535  or   var1  lt  1024  and  var1    80  and  var1    443        fail else

User · Accepted Answer

This should do it   elif var    80 or var    443 or 1024  lt   var  lt   65535

User · Answer

I think the most pythonic way to do this for me  will be  elif var in  80 443    range 1024 65535     although it could take a little time and memory  it s generating numbers from 1024 to 65535   If there s a problem with that  I ll do   elif 1024  lt   var  lt   65535 or var in  80 443

User · Answer

if           several checks       elif not  1024 lt  var lt  65535 or var    80 or var    443      fail else

User · Answer

if           several checks       elif   var1  gt  65535  or   var1  lt  1024   and  var1    80  and  var1    443        fail else         You missed a parenthesis

User · Answer

It s often easier to think in the positive sense  and wrap it in a not   elif not  var1    80 or var1    443 or  1024  lt   var1  lt   65535        fail   You could of course also go all out and be a bit more object-oriented   class PortValidator object      staticmethod   def port allowed p       if p    80  return True     if p    443  return True     if 1024  lt   p  lt   65535  return True     return False         elif not PortValidator port allowed var1       fail

User · Answer

if x    80 or x    443 or 1024  lt   x  lt   65535   should definitely do

User · Answer

It is possible to write like this   elif var1 in  80  443  or 1024  lt  var1  lt  65535   This way you check if var1 appears in that a list  then you make just 1 check  didn t repeat the  var1  one extra time  and looks clear   if var1 in  80  443  or 1024  lt  var1  lt  65535      print  good  else      print  bad           good

[python] complex if statement in python

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