change to decimal , ASCII , and abs.py

#abs
#change - Negative variable to + positive
a = -25 #negative valve
print("after abs() :", abs(a))

print("\n")

#bin
#is used to convert decimal value in to binary
dec = 20 #decimal value
print("Decimal Value to Binary : ", bin(dec))

print("\n")

#ord()
# is used to convert character to ASCII code
ch = 'x'
print("char to ASCII : ", ord(ch))

print("\n")