Python Pattern Program

Pattern Program

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+class Pattern:
+    def __init__(self):
+        self.len=len
+    def pattern1(self,len):
+        print("Half Pyramid Pattern")
+        for row in range(len):
+            for col in range(row+1):
+                print("*",end=" ")
+            print("\n")
+
+
+    def pattern2(self,len):
+        print("Rectangle Pattern")
+        for row in range(len):
+            for col in range(len):
+                print("*",end="")
+            print("\n")
+
+    def pattern3(self,len):
+        print("Reverse Half Pyramid")
+        for row in range(len):
+            for col in range(len-row):
+                print("*",end=" ")
+            print("\n")
+
+    def pattern4(self,len):
+        print ("half triangle with number")
+        for row in range(len+1):
+            for col in range(1,row+1):
+                print(col,end="")
+            print("\n")
+    def pattern5(self,len):
+        print("Triangle")
+        for row in range(2*len):
+            if(row>len):
+                col = 2*len - row 
+            else:
+                col = row
+            for c in range(col):
+                print("*",end=" ")
+            print("\n")
+
+    def pattern6(self,len):
+        print("diamond")
+        for row in range(2*len):
+            if(row>len):
+                col = 2*len - row 
+            else:
+                col = row
+            if(row>len):
+                spaces = row - len
+            else:
+                spaces = len - row
+            for sp in range(spaces):
+                print(" ",end=" ")
+            for c in range(col):
+                print(" * ", end=" ")
+            print("\n")
+
+    def pattern7(self,len):
+        print("pyramid")
+        for row in range(1,len+1):
+            spaces= len - row
+            for s in range(spaces):
+                print("  ",end="")
+            col = 2*row - 1
+            for c in range(col):
+                print("*",end=" ")
+            print("\n")
+
+    def pattern8(self,len):
+        print("Pyramid with numbers")
+        for row in range(1,len+1):
+            spaces= len - row
+            for s in range(spaces):
+                print("",end=" ")
+            for col in range(row,0,-1):
+                print(col,end="")
+                col = col-1
+            for col in range(2,row+1):
+                print(col,end="")
+            print("\n")
+
+    def pattern9(self,len):
+        print("Diamond with numbers")
+        for row in range(1,2*len):
+            if(row<len):
+                spaces = len - row
+            else:
+                spaces = row - len
+            for s in range(spaces):
+                print(" ",end=" ")
+            if(row<len):
+                col=row
+            else:
+                col = 2*len - row
+            for c in range(col,0,-1):
+                print(c,end=" ")
+            for c in range(2,col+1):
+                print(c,end=" ") 
+            print("\n")
+
+    def pattern10(self,len):
+        print("square with number tricky question")
+        N = 2*len
+        for row in range(1,N):
+            for col in range(1,N):
+                index= (len+1)-min(min(row,col),min(N-row,N-col))
+                print(index,end=" ")
+            print("\n")
+
+
+p1 = Pattern()
+p1.pattern10(5)
+
+