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from math import pi
from math import sqrt
from math import pow
var1 = abs(-12)
var1 = math.fabs(-12.5)
var1 = min([1,2,3])
var1 = max([1,2,3])
var1 = math.exp(1)
var1 = math.pow(2,3)
var1 = math.log10(11)
var1 = math.log(100,10) # var1 = math.log(11) ln(11) ==> 2.3978952727983707
var1 = math.sqrt(2)
var1 = math.floor(-12.2) => -13
var1 = math.floor(12.2) => 12
var1 = math.floor(-12.2) => -12
var1 = math.floor(12.2) => 12
var1 = round(12.2) => 12
var1 = round(12.5) => 12
var1 = round(12.6) => 13
var1 = round(12.66,1) => 12.7
var1 = round(123.445,n) # Anzahl der Nachkommastellen
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