Python built-in functions

#数学相关的函数#module for importing mathematicsImportMath#Floor () rounding downresult = Math.floor (6.2)Print(Result)#ceil () rounding upresult = Math.ceil (5.5)Print(Result)#round () Rounding Note: Not a function in math, the system comes with#N.5 when n is an odd number and an even number is placedresult = Round (8,5)Print(Result)#POW () calculates a number of n-th squareresult = Math.pow (5,3)Print(Result) result= 5 * * 3Print(Result)#sqrt () Open square operationresult = MATH.SQRT (5)Print(Result)#ABS () calculates the absolute value of a numeric system built-in function (original value type)result = ABS (-12)Print(Result)#MODF () splits a floating-point number into integers and decimals 2 (tuple type)result = MATH.MODF (12.5)Print(Result)#copysign () assigns a positive negative value of the second number to the first digitresult = Math.copysign (12,-5)Print(Result)#Fsum calculates the and (floating-point number) of numbers in a sequenceListvar = [4,5,3,7,2,5,6]result=math.fsum (Listvar)Print(Result)#sum () computes the sum of the numbers in a sequence (as determined by the data contents)Listvar = [4,5,3,7,2,5,6]result=sum (listvar)Print(Result)#Max () gets the maximum value in the sequenceNums = [3,5,6,0,9,34,56,32,67]result=Max (nums)Print(Result)#Max () returns the maximum value in multiple dataresult = Max (23,4,56,21,34,62,8,16)Print(Result)#min () gets the minimum value in the sequenceresult =min (nums)Print(Result)#min () returns the minimum value in multiple dataresult = Min (23,4,56,21,34,62,8,16)Print(Result)#Range () produces an integer within the range (generator) Note: Contains the start does not contain the endresult = Range (1,15)Print(Result) forIinchResult:Print(i)#values commonly used in the math module#pi πPrint(Math.PI)#e natural logarithmPrint(MATH.E)#随机数模块ImportRandom#random () randomly gets the decimal between 0~1 (contains 0 but not 1)result =random.random ()Print(Result)#choice () randomly returns a value in a sequenceListvar = [4,5,6,3,8,2,9,'C','D','A','X']result=Random.choice (Listvar)Print(Result)#Shuffle () random Shuffle listListvar = ['MF','SL','YJ','LSS','CYY']Print(Listvar) random.shuffle (Listvar)Print(Listvar)#Randrange () Gets the number of random integers in the developed rangeresult = Random.randrange (3,8,5)Print(Result)#uniform () gets a random number in the set rangeresult = Random.uniform (2,8)Print(Result)#进制相关#Hex () converts 10 binary to 16 binaryvar = 15result=Hex (Var)Print(Result,type (result))#Oct () converts 10 binary to 8 binaryvar = 46result=Oct (VAR)Print(Result,type (result))#bin () converts 10 binary to 2 binaryvar = 38result=bin (Var)Print(Result,type (result))#ASCII" "ASCII American Standard Information Interchange code 0-9, 48-57a-z, 65-90a-z, 97-122" "#Ord () gets the corresponding ASCII code according to the characterresult = Ord ('a')Print(Result)#Chr () gets the corresponding character according to the ASCII coderesult = Chr (80)Print(Result)#repr () output string as-is (without escaping the escape character, except the quotation marks)var ='if life \ ' cheat ' You don't be sad don't be impatient'Print(Var) result=Repr (Var)Print(Result)#Eval () executes the Python string as Python code. Use with cautionnum = 99var='num + 1'Num=Eval (Var)Print(num)

Python built-in functions