Commit965d88c

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Added implementation of Hill_cipher In python

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	`1`	`+importnumpyasnp`
	`2`	`+s=list(input("Enter a string"))`
	`3`	`+c=[]`
	`4`	`+foriinrange(len(s)):`
	`5`	`+c.append(ord(s[i])-65)`
	`6`	`+`
	`7`	`+arr=np.array(c)`
	`8`	`+`
	`9`	`+a1=np.transpose(arr)`
	`10`	`+print(a1)`
	`11`	`+a1=a1.reshape(3,1)`
	`12`	`+print(a1.shape)`
	`13`	`+`
	`14`	`+`
	`15`	`+#key input`
	`16`	`+print("Enter the key for the encryption")`
	`17`	`+R=int(input("rows:"))`
	`18`	`+C=int(input("columns:"))`
	`19`	`+matrix= []`
	`20`	`+print("Enter the key:")`
	`21`	`+`
	`22`	`+foriinrange(R):`
	`23`	`+a=[]`
	`24`	`+forjinrange(C):`
	`25`	`+a.append(int(input()))`
	`26`	`+matrix.append(a)`
	`27`	`+`
	`28`	`+foriinrange(R):`
	`29`	`+forjinrange(C):`
	`30`	`+print(matrix[i][j],end=" ")`
	`31`	`+matrix=np.array(matrix)`
	`32`	`+print(matrix.shape)`
	`33`	`+print(matrix[1][1])`
	`34`	`+`
	`35`	`+mul=np.matmul(matrix,a1)`
	`36`	`+mul=np.array(mul)`
	`37`	`+print(mul.shape)`
	`38`	`+print(mul)`
	`39`	`+foriinrange(R):`
	`40`	`+mul[i]=mul[i]%26`
	`41`	`+`
	`42`	`+print(mul)`

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