print("Lets convert from C to F/ F to C")
temp = int(input("enter the temperature: "))
unit = input("enter the unit (C or F)")
if unit == "C": #small typo
F = temp * 1.8 + 32
print(str(temp) + "C is equal to" + str(F) + "F") # you cant do int + str
elif unit == "F":
C = temp / 1.8 - 32
print(str(temp) + "F is equal to" + str(C) + "C")