auto save

1.py

+"""
+list_test = ['一弦一柱思华年。\n','只是当时已惘然。\n']  # 将要默写的诗句放在列表里。
+with open (r'h:\桌面\新建文本文档.txt','r') as f:
+    lines = f.readlines()
+print(lines)
+with open(r'h:\桌面\新建文本文档.txt','w') as new:
+    for line in lines:
+        if line in list_test:  # 属于默写列表中的句子，将其替换成横线。
+            new.write('____________。\n')
+        else:
+            new.write(line)
+
+
+# print(round(0.1+0.2,1) == 0.3)
+import turtle
+pen=turtle.Pen()
+for i in  range(6):
+    pen.forward(100)
+    pen.right(60)
+turtle.done()
+"""
+
+
+year = int(input("输入一个年份: "))
+if (year % 4) == 0:
+   if (year % 100) == 0:
+       if (year % 400) == 0:
+           print(str(year)+"是闰年")   # 整百年能被400整除的是闰年
+       else:
+           print(str(year)+"不是闰年")
+   else:
+       print(str(year)+"是闰年")       # 非整百年能被4整除的为闰年
+else:
+   print(str(year)+"不是闰年")
\ No newline at end of file

2-7-diy6.py

+# import random
+
+# # 私钥
+# key = "abcdefgh使用python实现简单的位移替换加密，制作密码机关真是太好玩了哈哈哈！"
+# # 要加密语句
+# message = "诺依，周末一起去看动漫展吧！"
+# # 最终加密后的语句
+# key_message = ""
+# # 干扰字符
+# noise = "port:@#$%^&"
+# for i in message:
+#     str1 = i
+#     str2 = random.choice(key)
+#     str3 = random.choice(key)
+#     text = str1+str2+str3
+#     key_message = key_message + text
+
+# list_message = list(key_message)
+
+# index = random.randint(0, len(key_message))
+# list_message.insert(index, noise)
+
+# result_message = "".join(list_message)
+# print(result_message)
+
+
+# def hcf(x, y):
+#    """该函数返回两个数的最大公约数"""
+ 
+#    # 获取最小值
+#    if x > y:
+#        smaller = y
+#    else:
+#        smaller = x
+ 
+#    for i in range(1,smaller + 1):
+#        if((x % i == 0) and (y % i == 0)):
+#            hcf = i
+ 
+#    return hcf
+ 
+ 
+# # 用户输入两个数字
+# num1 = int(input("输入第一个数字: "))
+# num2 = int(input("输入第二个数字: "))
+ 
+# print( num1,"和", num2,"的最大公约数为", hcf(num1, num2))
+
+def gongyue(a, b):
+
+  """
+ 
+  欧几里得算法----辗转相除法
+ 
+  :param a: 第一个数
+ 
+  :param b: 第二个数
+ 
+  :return: 最大公约数
+ 
+  """
+ 
+  # 如果最终余数为0 公约数就计算出来了
+a=int(input("请输入一个数字:"))
+b=int(input("请输入一个数字:"))
+  while(b!=0):
+ 
+    temp = a % b
+ 
+    a = b
+ 
+    b = temp
+ 
+  return a
\ No newline at end of file

3.py

+# import turtle
+# pen=turtle.Pen()
+# pen.forward(100)
+# pen.pencolor("red")
+# pen.pensize(2)
+# pen.circle(100)
+# pen.left(180)
+# pen.forward(200)
+# pen.left(180)
+# pen.forward(100)
+# pen.left(90)
+# pen.forward(100)
+# pen.left(180)
+# pen.forward(200)
+# turtle.done()
+
+
+import turtle
+# turtle.hideturtle()
+for i in range(3):
+    turtle.left(65)
+    turtle.fillcolor()
+    turtle.begin_fill()
+    turtle.right(45)
+    turtle.forward(100)
+    turtle.right(80)
+    turtle.forward(100)
+    turtle.right(100)
+    turtle.forward(100)
+    turtle.right(80)
+    turtle.forward(100)
+    turtle.end_fill()
+
+
+turtle.done()