Creating a BMI calculator in Python-CodePudding

I am trying to create a code that will calculate the BMI of a person, and I have provided an option to the user to enter they gender from the options provided.

If the user selects some other option I want the program to quit and it does as expected, however when a user selects the right option Male or Female program is quitting and not going to next line asking for user_weight:

enter_gender = input("please enter the gender Male / Female: ")
if enter_gender .lower() not in ("Male", "Female"):
    quit()
user_weight = float(input("please enter your weight: "))
user_height = float(input("please enter your height in centimeters: "))/100
square_height = (user_height*user_height)
BMI = user_weight//square_height
print(f"your current BMI is {BMI}")
if BMI < 12:
    print("You are BMI is below ")
elif BMI < 25:
    print("Your are Healthy")
elif BMI <= 30:
    print("print over weight")

CodePudding user response：

Any string converted to lowercase cannot be equal to either Male or Female. Change it to:

if enter_gender.lower() not in ("male", "female"):

As a side note, you don't seem to be taking the gender into account later in your code.

CodePudding user response：

It is because you are checking an impossible condition

It is either you check if enter_gender not in ("Male", "Female"): if you want the user to enter Male or Female

or you check if enter_gender.lower() not in ("male", "female"): if you want the user to enter male or female

or you can remove the conditional check completely because it doesn't seem you are using it

enter_gender = input("please enter the gender Male / Female: ")
**if enter_gender not in ("Male", "Female"):**
    quit()
user_weight = float(input("please enter your weight: "))
user_height = float(input("please enter your height in centimeters: "))/100
square_height = (user_height*user_height)
BMI = user_weight//square_height
print(f"your current BMI is {BMI}")
if BMI < 12:
    print("You are BMI is below ")
elif BMI < 25:
    print("Your are Healthy")
elif BMI <= 30:
    print("print over weight")