它没有打印我想要打印的所有内容

Question

This code needs to accept two points on a line and returns the values for m and b in the equation y = m*x + b. (m = (y1 - y2) / (x1 - x2) y = m*x + b. (m = (y1 - y2) / (x1 - x2) and b = y1 - (m*x1) . I coded it to do that but I'm at the part where I'm listing all the information found: ("the first point is:", "and:", "the second point is:", "m =", "B =" and etc). I noticed that from the return print list its only running the first print and isn't running all 5 prints. I tried adding \n for it to write it in a new line but it didn't work. How can I make it that it lists every single return print I coded and say the 2 points that it randomly has chosen.

import sys
import sys
import math
import random

number = random.randint(1,100)
number2 = random.randint(1,100)
number3 = random.randint(1,100)
number4 = random.randint(1,100)



def line_equation(x2,y2,x1,y1):
    rise = y2-y1
    run = x2-x1
    m = rise/run
    b = y2/(m*x2)
    return print("m = " + str(m) + " and b = " + str(b))
    return print("the first point is: ",number)
    return print("and: ",number2)
    return print("the second point is: ",number3)
    return print("and: ",number4)

line_equation(number, number2, number3, number4)

Answer 1

"return" will literally return to the caller (therefore leaving the function). That is why the remaining lines are not printed.

This should do what you want.

def line_equation(x2,y2,x1,y1):
    rise = y2-y1
    run = x2-x1
    m = rise/run
    b = y2/(m*x2)
    print("m = " + str(m) + " and b = " + str(b))
    print("the first point is: ",number)
    print("and: ",number2)
    print("the second point is: ",number3)
    print("and: ",number4)
    return # This is optional

Answer 2

You are returning from the function at the first print, remove all the return keywords.

Answer 3

You specify return when you want the function/code flow to end. return generally is the last thing that will be executed inside a function (not 100% truth, but generally ).

Also, one uses return when they actually need to return a value, if not, you can just end the function. So your code probably should be:

import sys
import sys
import math
import random

number = random.randint(1,100)
number2 = random.randint(1,100)
number3 = random.randint(1,100)
number4 = random.randint(1,100)



def line_equation(x2,y2,x1,y1):
    rise = y2-y1
    run = x2-x1
    m = rise/run
    b = y2/(m*x2)
    print("m = " + str(m) + " and b = " + str(b))
    print("the first point is: ",number)
    print("and: ",number2)
    print("the second point is: ",number3)
    print("and: ",number4)

line_equation(number, number2, number3, number4)