Merge pull request #52 from sifa123/main

Draw a graph paper.py

Python/Draw a rainbow

@@ -0,0 +1,121 @@
+# import package and making objects
+import turtle
+
+sc = turtle.Screen()
+trtl = turtle.Turtle()
+
+
+# method to draw y-axis lines
+def drawy(val):
+    # line
+    trtl.forward(300)
+
+    # set position
+    trtl.up()
+    trtl.setpos(val, 300)
+    trtl.down()
+
+    # another line
+    trtl.backward(300)
+
+    # set position again
+    trtl.up()
+    trtl.setpos(val + 10, 0)
+    trtl.down()
+
+
+# method to draw y-axis lines
+def drawx(val):
+    # line
+    trtl.forward(300)
+
+    # set position
+    trtl.up()
+    trtl.setpos(300, val)
+    trtl.down()
+
+    # another line
+    trtl.backward(300)
+
+    # set position again
+    trtl.up()
+    trtl.setpos(0, val + 10)
+    trtl.down()
+
+
+# method to label the graph grid
+def lab():
+    # set position
+    trtl.penup()
+    trtl.setpos(155, 155)
+    trtl.pendown()
+
+    # write 0
+    trtl.write(0, font=("Verdana", 12, "bold"))
+
+    # set position again
+    trtl.penup()
+    trtl.setpos(290, 155)
+    trtl.pendown()
+
+    # write x
+    trtl.write("x", font=("Verdana", 12, "bold"))
+
+    # set position again
+    trtl.penup()
+    trtl.setpos(155, 290)
+    trtl.pendown()
+
+    # write y
+    trtl.write("y", font=("Verdana", 12, "bold"))
+
+
+# Main Section
+# set screen
+sc.setup(800, 800)
+
+# set turtle features
+trtl.speed(100)
+trtl.left(90)
+trtl.color('lightgreen')
+
+# y lines
+for i in range(30):
+    drawy(10 * (i + 1))
+
+# set position for x lines
+trtl.right(90)
+trtl.up()
+trtl.setpos(0, 0)
+trtl.down()
+
+# x lines
+for i in range(30):
+    drawx(10 * (i + 1))
+
+# axis
+trtl.color('green')
+
+# set position for x axis
+trtl.up()
+trtl.setpos(0, 150)
+trtl.down()
+
+# x-axis
+trtl.forward(300)
+
+# set position for y axis
+trtl.left(90)
+trtl.up()
+trtl.setpos(150, 0)
+trtl.down()
+
+# y-axis
+trtl.forward(300)
+
+# labeling
+lab()
+
+# hide the turtle
+trtl.hideturtle()
+turtle.Screen().exitonclick()