Python Saved Program: quiescent-life
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# Python program to display all the prime numbers within a given range # Hello World program in Python r,c = 3 ,3 a =  for i in range(r): a.append() for j in range(c): a[i].append(i+j) a=[[0, 1,0], [1, 0,1],[1,0,1]] for i in range(r): for j in range(c): a[i][j] = int(input("Enter array" )) print("Before Cleaning ") print(a) for i in range(r): for j in range(c): if(a[i][j]==0): a[i][j]=1 print("After Cleaning ") print(a)