changes in programs

Author: thatsabhishek

Milestone 1/More on Loops/DiamondofStars.py

@@ -8,29 +8,31 @@
 #    *
 
 n = int(input())
-i = 1
-s = (n+1)/2
-while i <= s:
+u = n//2+1
+i=1
+while i<=u:
     sp = 1
-    while sp <= s-i:
+    while sp<=u-i:
         print(' ', end='')
-        sp = sp+1
+        sp+=1
     j = 1
     while j <= 2*i-1:
-        print('*', end='')
-        j = j+1
+        print("*", end='')
+        j+=1
     print()
-    i = i+1
-i = s-1
-m = i
-while i >= 1:
-    j = 1
-    while j <= m-i+1:
+    i+=1
+
+l = n-u
+i=1
+while i <= n-u:
+    sp = 1
+    while sp <= i:
         print(' ', end='')
-        j = j+1
-    k = 1
-    while k <= 2*i-1:
+        sp+=1
+    j = 1
+    while j <= 2*l-1:
         print("*", end='')
-        k = k+1
+        j+=1
     print()
-    i = i-1
+    i+=1
+    l-=1 

Milestone 1/More on Loops/Print Number Pyramid.py

@@ -26,7 +26,6 @@
     print()
     a = a+1
     i = i+1
-    j = j+1
 i = 1
 a = n-1
 while i <= n-1:

Milestone 1/More on Loops/Printthepattern.py

@@ -6,32 +6,19 @@
 #  16   17  18   19  20
 #  6    7    8   9   10
 
-def pattern(n):
-    mid = (n >> 1)
-    if n & 1 != 0:
-        mid += 1
-    val = 1
-    for i in range(mid):
-        for j in range(val, val + n):
-            print(j, end=' ')
-        print()
-        val += (n << 1)
-    if n & 1 != 0:
-        val -= (n << 1)
-        val -= n
-        for i in range(mid, n):
-            for j in range(val, val + n):
-                print(j, end=' ')
-            print()
-            val -= (n << 1)
-    else:
-        val -= n
-        for i in range(mid, n):
-            for j in range(val, val + n):
-                print(j, end=' ')
-            print()
-            val -= (n << 1)
-
-
 n = int(input())
-pattern(n)
+start = 1
+
+for i in range(1,n+1):
+    for j in range(start, start+n):
+        print(j, end=' ')
+    print()
+    if i==((n+1)//2):
+        if n%2 != 0:
+            start = n*(n-2)+1
+        else:
+            start = n*(n-1)+1
+    elif i>(n+1)//2:
+        start = start - 2*n
+    else:
+        start = start + 2*n

Milestone 1/More on Loops/RectangularNumbers.py

@@ -8,34 +8,27 @@
 # 4333334  
 # 4444444
 
-MAX = 100
-
-
-def prints(a, size):
-    for i in range(size):
-        for j in range(size):
-            print(a[i][j], end='')
-        print()
-
-
-def innerPattern(n):
-
-    size = 2 * n - 1
-    front = 0
-    back = size - 1
-    a = [[0 for i in range(MAX)]
-         for i in range(MAX)]
-    while (n != 0):
-        for i in range(front, back + 1):
-            for j in range(front, back + 1):
-                if (i == front or i == back or
-                        j == front or j == back):
-                    a[i][j] = n
-        front += 1
-        back -= 1
-        n -= 1
-    prints(a, size)
-
-
 n = int(input())
-innerPattern(n)
+for i in range(1, n+1):
+    temp = n
+    for j in range(1,i):
+        print(temp, end='')
+        temp -= 1
+    for j in range(1, 2*(n-i)+2):
+        print(n-i+1, end='')
+    for j in range(1,i):
+        temp += 1
+        print(temp, end='')
+    print()
+
+for i in range(n-1, 0, -1):
+    temp = n
+    for j in range(1,i):
+        print(temp, end = '')
+        temp-=1
+    for j in range(1, 2*(n-i)+2):
+        print(n-i+1, end='')
+    for j in range(1,i):
+        temp+=1
+        print(temp, end='')
+    print()