PYTHON-ZX Note 3-functions

First, call the function

On the interactive command line by help(abs) looking at abs the Help information for the function

Assign a function name to a variable

A = ABS

Second, define the function

Solution equation: ax2 + bx + c = 0

1 #-*-coding:utf-8-*-2 3 ImportMath4 5 defquadratic (A, B, c):6n = b*b-4*a*C7     ifN <0:8         return("this equation has no solution")9     elifn = =0:Ten         returnb/2*a One     Else: AX1 = (-B + math.sqrt (n))/(a) -x2 = (-b-math.sqrt (n))/(a) -         returnx1,x2 the  - #Test: - Print(Quadratic (1,2,1)) - Print(Quadratic (4,2,2)) +  -  + #print (' Quadratic (2, 3, 1) = ', quadratic (2, 3, 1)) A #print (' Quadratic (1, 3,-4) = ', quadratic (1, 3,-4)) at #if quadratic (2, 3, 1)! = ( -0.5, -1.0): - #print (' Test failed ') - #elif Quadratic (1, 3,-4)! = (1.0, -4.0): - #print (' Test failed ') - #Else: - #print (' Test successful ')

Iii. parameters of the function

PYTHON-ZX Note 3-functions