save project

diy2.py

+i = 1  # 行
+for i in range(1,10)
+    for i in range(1,i+1):
+        print(j,'*',i,'=',(j*i))
+    print()
+i = 2  # 行
+for i in range(1,10)
+    for i in range(1,i+1):
+        print(j,'*',i,'=',(j*i))
+    print()    
+i =3   # 行
+for i in range(1,10)
+    for i in range(1,i+1):
+        print(j,'*',i,'=',(j*i))
+    print()    
+i = 4  # 行
+for i in range(1,10)
+    for i in range(1,i+1):
+        print(j,'*',i,'=',(j*i))
+    print()    
+    
+    
+    # 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