auto save

America.py

+import turtle
+a=turtle.Screen()
+a.bgcolor("black")
+b=turtle.Pen()
+b.circle(150,360)
+b.fillcolor("red")
+b.begin_fill()
+b.circle(150,360)
+b.end_fill()
+b.penup()
+b.goto(0,25)
+b.pendown()
+b.fillcolor("white")
+b.begin_fill()
+b.circle(120,360)
+b.end_fill()
+b.penup()
+b.goto(0,60)
+b.pendown()
+b.fillcolor("red")
+b.begin_fill()
+b.circle(90,360)
+b.end_fill()
+b.penup()
+b.goto(0,95)
+b.pendown()
+b.fillcolor("blue")
+b.begin_fill()
+b.circle(50,360)
+b.fillcolor("blue")
+b.end_fill()
+b.penup()
+b.goto(-45,160)
+b.pendown()
+b.fillcolor("white")
+b.begin_fill()
+for i in range(5):
+    b.forward(90)
+    b.right(144)
+b.end_fill()
+turtle.done()
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ask&answer.py

+a=input("请输入一个数：")
+if a%2==1:
+    print("1")
+else:
+    print("0")
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ask.py

+a=input("请输入一个数：")
+if int(a)%2==1:
+    print("1")
+else:
+    print("0")
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round.py

+while True:
+    N=int(input("请输入一个正整数:"))
+    a=0
+    b=0
+    for i in range(N):
+        a+=1
+        b+=a    
+    print(str(b))    
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