python 生成六宫格的数独题并导出到pdf

要生成六宫格的数独题并导出到pdf，可以使用Python中的`reportlab`库和`numpy`库。以下是一个简单的示例代码：

import numpy as np
from reportlab.pdfgen import canvas

# 生成数独
def generate_sudoku():
    base  = 3
    side  = base*base

    def pattern(r,c): return (base*(r%base)+r//base+c)%side
    def shuffle(s): return np.random.permutation(s)
    rBase = range(base)
    rows  = [ g*base + r for g in shuffle(rBase) for r in shuffle(rBase) ]
    cols  = [ g*base + c for g in shuffle(rBase) for c in shuffle(rBase) ]
    nums  = shuffle(range(1,base*base+1))

    # produce board using randomized baseline pattern
    board = [ [nums[pattern(r,c)] for c in cols] for r in rows ]
    squares = side*side
    empties = squares * 3//4
    for p in np.random.permutation(squares)[:empties]:
        board[p//side][p%side] = 0
    return board

# 生成pdf
def generate_pdf(board):
    c = canvas.Canvas("sudoku.pdf")
    c.setFont("Helvetica", 12)
    x, y = 50, 750
    c.drawString(x, y, "Six-by-six Sudoku")
    c.setFont("Helvetica", 10)
    c.translate(100,700)
    for i in range(len(board)):
        for j in range(len(board)):
            c.drawString(j*20, -i*20, str(board[i][j]))
        c.translate(0,-20)
    c.showPage()
    c.save()

# 生成数独和pdf
board = generate_sudoku()
generate_pdf(board)

这个代码生成了一个六宫格的数独，将其导出到了`sudoku.pdf`文件中。你可以根据自己的需要修改字体、字号、位置等参数。