innitial commit

.gitignore

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+venv/
+

app.py

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+import matplotlib.pyplot as plt
+import gradio as gr
+
+
+def isprime(x):
+    if x < 2:
+        return False
+    for i in range(2, x):
+        if x % i == 0:
+            return False
+    return True
+
+
+def ulamspiral(n):
+    x = 0
+    y = 0
+    estado = 0 
+    numsteps = 1
+    cambio_dir = 0
+    last_x = 0
+    last_y = 0
+    plt.axis('off')
+    for step in range(1, n+1):
+        if isprime(step):
+            plt.plot(x, y, "ko")
+        if step != 1:
+            plt.plot([last_x, x], [last_y, y], "k-")
+        last_x = x
+        last_y = y
+        if estado == 4:
+            estado = 0
+        if estado == 0:
+            x += 1
+        elif estado == 1:
+            y += 1
+        elif estado == 2:
+            x -= 1
+        elif estado == 3:
+            y -= 1
+        
+        if step % numsteps == 0:
+            estado = (estado + 1) % 4
+            cambio_dir += 1
+            if cambio_dir % 2 == 0:
+                numsteps += 1
+
+    return plt.gcf()
+    
+iface = gr.Interface(ulamspiral, gr.inputs.Slider(1, 1000, 1), "plot")
+
+iface.launch()

requirements.txt

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+matplotlib
+