Python Programming HELP, why won't my loop end when the input is N?

Question

####################################

#Calculate the parcel delivery cost

#####################################

# ParcelCost.py written by me

# loop

while 1:

# Get the parcel weight

parcel_weight = float(raw_input ("Please enter the parcels weight:"))

# Calculate the delivery cost

if parcel_weight <2.5: delivery_cost = parcel_weight* 3.50

if parcel_weight >=2.5 <=5: delivery_cost = parcel_weight* 2.85

if parcel_weight >5: delivery_cost = parcel_weight* 2.45

# Output the results

print "The delivery cost is:$", delivery_cost

# Repeat

response ==(raw_input("Would you like to do another? Y or N:"))

if response == "Y" or "y": continue

else:

break

Update:

Thanks Silent...I see your point, but the loop still continues if I enter a N or n.???

Silent · Accepted Answer

Look at this line:

if response == "Y" or "y": continue

You're testing two things for truth value:

1. response == "Y"
2. "y"

In Python, a non-empty string is always true, so "y" is always true.

What you want is something like this:

if response == "Y" or response == "y"

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Python Programming HELP, why won't my loop end when the input is N?

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