我的学校程序需要制作一个棋盘,如果用户不输入任何内容,程序将默认为一个设定值。这是我的密码
from chessboard import drawChessboard
import turtle
t = turtle.Turtle()
#main function
def main():
#input
width = input("Please enter the starting X-coordinate: ")
height = input("Please enter the starting Y-Coordinate: ")
startX = int(input("Please enter the width of the chessboard: "))
startY = int(input("Please enter the height of the chessboard: "))
if width == "" and height == "":
drawChessboard(startX, startY)
elif height == "":
drawChessboard(startX, startY, width=eval(width))
elif width == "":
drawChessboard(startX, startY, height=eval(height))
else:
drawChessboard(startX, startY, eval(width), eval(height))
main()
turtle.done()
这是我在pycharm的主要文件中附带的第二个
import turtle
t = turtle.Turtle()
def drawRectangles(widthd, heightd, startXd, startYd):
t.pendown()
t.color("black")
t.begin_fill()
t.left(90)
t.forward(heightd / 8)
t.right(90)
t.forward(widthd / 8)
t.right(90)
t.forward(heightd / 8)
t.right(90)
t.forward(widthd / 8)
t.right(180)
t.end_fill()
t.penup()
if startXd and startYd == 0:
t.color("black")
def drawAllRectangles(widthd, heightd, startXd, startYd):
row1 = 0
while row1 < 8:
t.goto(startXd + (widthd / 8) * row1, startYd)
drawRectangles(widthd, heightd, startXd, startYd )
row1 += 2
row2 = 1
while row2 < 8:
t.goto(startXd + (widthd / 8) * row2, startYd + (heightd / 8))
drawRectangles(widthd, heightd, startXd, startYd)
row2 += 2
row3 = 0
while row3 < 8:
t.goto(startXd + (widthd / 8) * row3, startYd + (heightd / 8) * 2)
drawRectangles(widthd, heightd, startXd, startYd)
row3 += 2
row4 = 1
while row4 < 8:
t.goto(startXd + (widthd / 8) * row4, startYd + (heightd / 8) * 3)
drawRectangles(widthd, heightd, startXd, startYd)
row4 += 2
row5 = 0
while row5 < 8:
t.goto(startXd + (widthd / 8) * row5, startYd + (heightd / 8) * 4)
drawRectangles(widthd, heightd, startXd, startYd)
row5 += 2
row6 = 1
while row6 < 8:
t.goto(startXd + (widthd / 8) * row6, startYd + (heightd / 8) * 5)
drawRectangles(widthd, heightd, startXd, startYd)
row6 += 2
row7 = 0
while row7 < 8:
t.goto(startXd + (widthd / 8) * row7, startYd + (heightd / 8) * 6)
drawRectangles(widthd, heightd, startXd, startYd)
row7 += 2
row8 = 1
while row8 < 8:
t.goto(startXd + (widthd / 8) * row8, startYd + (heightd / 8) * 7)
drawRectangles(widthd, heightd, startXd, startYd)
row8 += 2
def drawChessboard(widthd, heightd, startXd, startYd):
t.color("red")
t.penup()
t.goto(startXd, startYd)
t.pendown()
t.goto(widthd + startXd, startYd)
t.goto(widthd + startXd, heightd + startYd)
t.goto(startXd, heightd + startYd)
t.goto(startXd, startYd)
t.color("black")
drawAllRectangles(widthd, heightd, startXd, startYd)
如何添加一个参数使其默认为250?代码可以工作,但当输入的值为nothing时不起作用。因为是为了学校,我不能删除main函数中的if/else语句。我确信答案是显而易见的,但我是python的新手,所以我不知道如何解决它
目前没有回答
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