Python-based built-in functions

Built-in Parameters

Print(All ([5,-1,5]))#not 0 is truePrint(All ([0,-1,5]))#falsePrint(Any ([1,0,5]))#One of the data is true, it's truePrint(Any ([]))#false#convert numbers to binaryPrint(Bin (1))" ">>> Bin (1) ' 0b1 ' >>> bin (2) ' 0b10 ' >>> bin (+) ' 0b10000 ' >>> bin (255) ' 0b11111111 ' >>>" "" "# True >>> bool (1) true>>> bool (0) false>>> bool (5) true>>> bool ([]) false> >> bool ({}) false>>> bool ({1}) true>>> bool ([241]) True" "" "A = bytes ("ABCD", encoding= "UTF8") print (A.capitalize (), a) b = ByteArray ("ABCD", encoding= "UTF8") print (b[1]) # Print asciib[1]= 50print (b)" "#Judging whether a thing can call true cannot call falsePrint(callable ([])) FalsedefABC1 ():PassPrint(Callable (ABC1)) True" "# ASCII numbers correspond to string conversions >>>>>>>>> chr ' a ' >>> chr (98) ' B ' >>> chr ' Z ' >>> chr ' C ' >>># in turn must enter ASCII characters converted into numbers >>> ord (' a ') 97>>> ord (' B ') 98>>> Ord (' C ') 99>>> ord (' 1 ') 49>>>" "" "# See what methods can be used >>> a = []>>>>>> dir (a) [' __add__ ', ' __class__ ', ' __contains__ ', ' __delattr__ ', ' __delitem__ ', ' __dir__, ' __doc__ ', ' __eq__ ', ' __format__ ', ' __ge__ ', ' __getattribute__ ', ' __getitem__, ' __gt__ ', ' __ Hash__ ', ' __iadd__ ', ' __imul__ ', ' __init__ ', ' __init_subclass__ ' ' __iter__ ', ' __le__ ', ' __len__ ', ' __lt__ ', ' __mul__ ', ' __ne__ ', ' __new__ ', ' __educe__ ', ' __reduce_ex__ ', ' __repr__ ', ' __reversed__ ', ' __rmul__ ', ' __setattr__, ' __setitem__ ', ' __sizeof__ ', ' __str__ ', ' __subclasshook__ ', ' append ', ' Clear ' copy ', ' Count ', ' extend ', ' index ', ' Insert ', ' Pop ', ' Remo ve ', ' Reverse ', ' sor ']>>>" "" "you can convert a string to the original data type, for example: The original is List, Dicteval ()" "" "The # exec function is primarily used to execute statement blocks >>> exec (' a=1+3*2*2 ') >>> exec<built-in function exec>>>> A13 >>>" "

defABC1 (n):Print(N) ABC1 (3)#Pass Parameters(LambdaC:Print(c)) (110) ABC=LambdaC:Print(c) ABC (5) ABC=LambdaC:10ifC<5ElseCPrint(ABC (3))Print("===========================================")#Filter#Print the >6res = filter (LambdaN:n>6,range (10)) forIinchRes:Print(i)Print("===========================================")#Map#Take each of the data out of the collection to the previous function and print it in list mode .res = map (LambdaN:n*2,range (10)) forIinchRes:Print(i) 024681012141618Print("===========================================")#Cumulative ReduceImportFunctoolsres= Functools.reduce (LambdaX,y:x+y,range (1,10))Print(RES)#Tired Rideres = Functools.reduce (LambdaX,y:x*y,range (1,10))Print(RES)Print("===========================================")#determine if the variable exists no#Print (Globals ())" ">>>>>> Hash (1) 1>>> hash (2) 2>>> hash ("Ming") 2265504022069637367>> >>>> Hash ("Mike") -5868197253725756830>>>" "#convert a number to 16 binary" ">>>>>> Hash (1) 1>>> hash (2) 2>>> hash ("Ming") 2265504022069637367>> >>>> Hash ("Mike") -5868197253725756830>>>" "#returns the number of times a power, such as the Y-square of a POW (x, y) x" ">>>>>> Pow (3,3) 27>>> pow (5,2) 25>>> pow (8,2) 64>>>" "#sort from small to largeA = {6:2,8:0,1:4,-5:6,99:11,4:22}#print (a)Print(Sorted (a)) [-5, 1, 4, 6, 8, 99]Print(Sorted (A.items ()))#Key Sort[(-5, 6), (1, 4), (4, 22), (6, 2), (8, 0), (99, 11))]Print(Sorted (A.items (), key=LambdaX:X[1]))#Sort by value, X represents an element[(8, 0), (6, 2), (1, 4), (-5, 6), (99, 11), (4, 22))]Print("===========================================")#match two lists and merge them into oneD= [1,2,3,4,5,6]e= ['a','b','C','D','e','F'] forIinchZip (d,e):Print(i) (1,'a')(2,'b')(3,'C')(4,'D')(5,'e')(6,'F')Print("===========================================")__import__('Generator')

Python-based built-in functions