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diy2.py

-i = 1  # 行
+'''i = 1  # 行
 j = 9   # 列
 # 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
 for j in range(1,10):
-    print(i,"*",j,"=",(i*j),end="  ")
\ No newline at end of file
+    print(i,"*",j,"=",(i*j),end="  ")'''
+'''datestr=input('Enter a date("mm/dd/yyyy")')
+monthstr,daystr,yearstr=datestr.split('/')
+months=['January','February','March','April','May','June',
+'July','August','September','October','November','December']
+monthstr=months[int(monthstr)-1]
+print('The date is:'+monthstr,daystr+',',yearstr)'''
+'''jvzi1="白日依山尽"
+jvzi2="黄河入海流"
+n=int(input("白日依山尽,黄河入海流。欲穷千里目,更上一层楼。"))
+print(n)'''
+'''while True:
+    year=int(input("输入年份"))
+    if((year%400==0)or(year%4==0)and(year%100!=0)):
+        print("闰年")
+        print()
+    else:
+        print("不是")
+        print()'''
+'''stu={'202101':'小明','202102':'小红','202103':'小丽'}
+print(len(stu))'''
+'''x=int(input("请输入自然数:"))
+count=0
+while x!=1:
+    if x%2==0:
+        x=x//2
+    else:
+        x=3*x+1
+    count=count+1
+print(count)'''
+'''string="to be or not to be that is a question"
+lis=string.split(" ")
+count={}
+for x in lis:
+    if x not in count:
+        count[x]=1
+    else:
+        count[x]+=1
+    print(count)'''