auto save

di.py

+a = int(input("输入整公里数"))
+b = 13
+c = int(2.3)
+d = int(3.45)
+if a <= 3:
+    print('%.2f'%b)
+elif a > 3 and a <= 15:
+    print('%.2f'%((a - 3)* c + b))
+else:
+    print('%.2f'%((a - 15)* d + (15 - 3)* c + b))
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dyi.py

+import turtle
+a = 20
+turtle.pencolor("red")
+for i in range(300):
+    turtle.forward(a)
+    turtle.left(90)
+    a += 2
+turtle.done()
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idy.py

+a = "白日依山尽"
+b = "黄河入海流"
+c = "欲穷千里目"
+d = "更上一层楼"
+print(a,",",b,".",c,",",d,".")
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iyd.py

+a = input("请输入一个日期:(格式为'月/日/年')")
+b = a.split("/")
+c = b[0]
+d = b[1]
+e = b[2]
+months = ['January','February','March','April','May','June','July','August','Septeber','October','November','December']
+c = months[int(c) - 1]
+print("日期是:"+ c +' '+ d +','+ e)
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ydi.py

+a = int(input("请输入星期几:(数字形式)"))
+b = ["星期一","星期二","星期三","星期四","星期五","星期六","星期日"]
+c = b[a - 1]
+print(c)
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yid.py

+c = 0
+for i in range(10,100,1):
+    a = i // 10
+    b = i % 10
+    if a == b:
+        i = i
+    else:
+        i = i + 1
+        c = c + 1
+print(c)
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