Merge pull request #309 from shreyan-naskar/master

BASE CONVERTER CREATED

scripts/Base_Conversion/README.md

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+# BASE CONVERSION IN PYTHON
+- Various functions for interconversion of bases
+- Conversion of Binary to Decimal
+- Conversion of Octal to Decimal
+- Conversion of Hexadecimal to Decimal
+- Conversion of Decimal to Binary
+- Conversion of Decimal to Octal
+- Conversion of Decimal to Hexaecimal

scripts/Base_Conversion/main.py

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+
+#Function to calculate x raised to the power y
+def Power( x , y ) :
+
+	if (y == 0) :
+		return 1
+
+	else :
+
+		ans = x**y 
+		return ans
+
+
+#Function to convert Binary to Decimal
+def BinaryToDecimal( n ) :
+
+	ans = 0
+	x   = 1
+	m = int(n)
+
+	while m > 0 :
+		b   =  m%10
+		ans += b*x
+		x   =  x*2
+		m   =  m//10
+
+	return ans
+
+
+#Function to convert Octal to Decimal
+def OctalToDecimal( n ) :
+
+	ans = 0
+	x   = 1
+	m = int(n)
+
+	while m > 0 :
+		b   =  m%10
+		ans += b*x
+		x   =  x*8
+		m   =  m//10
+
+	return ans
+
+
+#Function to convert Hexadecimal to Decimal
+def HexadecimalToDecimal( n ):
+
+	ans = 0
+	x   = 1
+	s = len( n )
+	
+	for i in range( s-1 , -1 , -1 ) :
+		if n[i] >= '0' and n[i] <= '9' :
+			ans += x*(int(n[i]))
+
+		elif n[i] >= 'A' and n[i] <= 'F' :
+			ans += x*(ord(n[i]) - ord('A') + 10)
+
+		x = x*16
+
+	return ans
+
+
+#Function to convert Decimal to Binary
+def DecimalToBinary( n ) :
+	L = []
+	while(n>0):
+		rem = n%2
+		L.append(rem)
+		n = n//2
+	#L = L[::-1]
+
+	dec = 0
+	for i in range(0,len(L)):
+		dec = dec + L[i]*(10**i)
+
+	return dec
+
+#Function to convert Decimal to Octal
+def DecimalToOctal( n ) :
+	
+	ans   = 0
+	count = 0
+
+	while (n > 0) :
+		lastDigit =  n%8
+		ans       += lastDigit*(10**(count))
+		n         =  n//8
+
+		count     += 1
+
+	return ans
+
+
+#Function to convert Decimal to Hexadecimal
+def DecimaltoHexadecimal( n ) :
+
+	ans = ''
+
+	while (n > 0) :
+		lastDigit = n%16
+		if (lastDigit >= 0 and lastDigit <=9 ) :
+			ans = ans + str(lastDigit)
+
+		elif (lastDigit >= 10 and lastDigit <= 15) :
+			a = chr(ord('A') + (lastDigit-10))
+			ans = ans + a
+
+		n = n//16
+
+	return ans[::-1]
+
+while True:
+	print('1 -> Calculate Exponents')
+	print('2 -> convert Binary to Decimal ')
+	print('3 -> convert Octal to Decimal ')
+	print('4 -> convert Hexadecimal to Decimal ')
+	print('5 -> convert Decimal to Binary ')
+	print('6 -> convert Decimal to Octal ')
+	print('7 -> convert Decimal to Hexadecimal ')
+	print('0 -> Exit')
+	
+
+	n = int(input('\nEnter: '))
+
+	if n == 1:
+		a,b = int(input("Enter Base :\n")),int(input("Enter Superscript : \n"))
+		print("The result is : ",Power(a,b), "\n")
+
+	elif n == 2:
+		b = int(input("Enter Binary Number:\n"))
+		print("Corresponding Decimal Number is : ", BinaryToDecimal(b), "\n")
+
+	elif n == 3:
+		b = int(input("Enter Octal Number:\n"))
+		print("Corresponding Decimal Number is : ", OctalToDecimal(b), "\n")
+
+	elif n == 4:
+		b = (input("Enter Hexadecimal Number:\n"))
+		print("Corresponding Decimal Number is : ", HexadecimalToDecimal(b), "\n")	
+
+	elif n == 5:
+		b = int(input("Enter Decimal Number:\n"))
+		print("Corresponding Binary Number is : ", DecimalToBinary(b), "\n")
+
+	elif n == 6:
+		b = int(input("Enter Decimal Number:\n"))
+		print("Corresponding Octal Number is : ", DecimalToOctal(b), "\n")
+
+	elif n == 7:
+		b = int(input("Enter Decimal Number:\n"))
+		print("Corresponding Hexadecimal Number is : ", DecimaltoHexadecimal(b), "\n")
+
+	elif n == 0:
+		
+		exit()
+
+	else:
+		print("\nNo such option exists!! ")
+
+