code

[ranchanrat41-cmyk]

from manim import *

class MathSummation(Scene):
def construct(self):
# Title
title = Text("Math Summation", font_size=48).to_edge(UP)
self.play(Write(title))

    # Step 1: Show equation
    equation1 = MathTex("1", "+", "2", "+", "3", "+", "4", "=", "10")
    equation1.scale(1.5)
    self.play(Write(equation1))
    self.wait(1)

    # Step 2: Highlight parts
    self.play(equation1[0].animate.set_color(RED))   # "1"
    self.play(equation1[2].animate.set_color(BLUE))  # "2"
    self.play(equation1[4].animate.set_color(GREEN)) # "3"
    self.play(equation1[6].animate.set_color(ORANGE))# "4"
    self.wait(1)

    # Step 3: Transform into summation form
    summation = MathTex(r"\sum_{n=1}^{4} n = 10")
    summation.scale(1.5)
    self.play(Transform(equation1, summation))
    self.wait(2)

    # Step 4: Fade out
    self.play(FadeOut(equation1), FadeOut(title))

[Rickaym]

What is the issue here? Or are you just bookmarking code 😅