def square(length):
    angle = 90
    i = 0
    while i < 4:
        forward(length)
        right(angle)
        i = i + 1

def square3(x,y,length):
    jump(x,y)
    i = 0
    x1 = x
    while i < 3:
        square(length)
        x1 = x1 + length
        jump(x1,y)
        i = i + 1

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要求：调用函数画一排 3 个正方形，从 (100, 100) 开始，边长 50

复制下面这行代码到第一行

from wonderLang import *