Initial commit: Python learning project with examples and exercises

python代码/Python讲例/5-2数字时间.py

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+#e7.1DrawSevenSegDisplay.py
+import turtle, datetime
+def drawLine(draw):   #绘制单段数码管
+    turtle.pendown() if draw else turtle.penup()
+    turtle.fd(40)
+    turtle.right(90)
+def drawDigit(digit): #根据数字绘制七段数码管
+    drawLine(True) if digit in [2,3,4,5,6,8,9] else drawLine(False)
+    drawLine(True) if digit in [0,1,3,4,5,6,7,8,9] else drawLine(False)
+    drawLine(True) if digit in [0,2,3,5,6,8,9] else drawLine(False)
+    drawLine(True) if digit in [0,2,6,8] else drawLine(False)
+    turtle.left(90)
+    drawLine(True) if digit in [0,4,5,6,8,9] else drawLine(False)
+    drawLine(True) if digit in [0,2,3,5,6,7,8,9] else drawLine(False)
+    drawLine(True) if digit in [0,1,2,3,4,7,8,9] else drawLine(False)
+    turtle.left(180)
+    turtle.penup()
+    turtle.fd(20) 
+def drawDate(date):  #获得要输出的数字
+    for i in date:
+        drawDigit(eval(i))  #注意: 通过eval()函数将数字变为整数
+def main():
+    turtle.setup(800, 350, 200, 200)
+    turtle.penup()
+    turtle.fd(-300)
+    turtle.pensize(5)
+   # drawDate(datetime.datetime(2024,11,29,22,33,32,7).strftime('%Y%m%d'))
+    drawDate(datetime.datetime.now().strftime('%Y%m%d'))
+    turtle.hideturtle()
+main()