n Python ~^ ÂŹ >>> float(1),float("1.2"),float("1e-4") (1.0, 1.2, 0.0001) >>> min(1,2,3,4,5) 1 >>> min([1,2,3,4,5]) 1 >>> max([1,2,3,4,5]) 5 >>> max(1,2,3,4,5) 5
§3.1.3 ^uÂ&#x2030;1§S SÂ&#x2DC;Ÿê \ ÂŹ import§ \Â&#x2DC;Â&#x2021;module" Â&#x2030;1Â&#x201C;è exec code [ in globaldict[,localdict]]" >>> exec "a=1" #3 c namespace ĂžÂ&#x2030;1Â&#x201C;è. >>> a 1 >>> mynamespace={} #MĂŻÂ&#x2DC;Â&#x2021;Â&#x2DC; dictionary,^u ;namespace >>> exec "a=1" in mynamespace #3 mynamespace ĂžÂ&#x2030;1Â&#x201C;è. >>> print mynamespace.keys() # w(J [â&#x20AC;&#x2122;__builtins__â&#x20AC;&#x2122;, â&#x20AC;&#x2122;aâ&#x20AC;&#x2122;] #Ă&#x161;\ĂźÂ&#x2021;name >>> type(mynamespace["__builtins__"]) <type â&#x20AC;&#x2122;dictâ&#x20AC;&#x2122;> #eÂ&#x2DC;Â&#x2021;Â?ÂŻ< ~f >>> class A: #Â&#x2DC;Â&#x2021;Â&#x2DC; class ... pass ... >>> exec "a=1" in vars(A) #O\Â&#x2DC;Â&#x2021;ĂĄ5 >>> A.a #¤þ 1 >>> exec "def abc(self): print â&#x20AC;&#x2122;okâ&#x20AC;&#x2122; " in vars(A) # Â&#x201E;UO\Â&#x2DC;Â&#x2021; methord >>> dir(A) #5Âż,k abc
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