Add function names to a string in Python

Question

I'm just beginning to learn Python on my own, and I'm trying to write a code that will calculate the end time of a jog.

My code so far looks as follows:

def elapsed(t):
    t = raw_input('Enter time (hh:mm:ss): ')
    th, tm, ts = t.split(':')
    return int(ts) + int(tm) * 60 + int(th) * 3600

def mile(m):
    m = raw_input('How many miles? ')
    return int(m)

start = elapsed('start')
warmup = elapsed('warmup')
wmile = mile('wmile')
tempo = elapsed('tempo')
tmile = mile('tmile')
cooloff = elapsed('cooloff')
cmile = mile('cmile')

hour = (start + warmup * wmile + tempo * tmile + cooloff * cmile) // 3600
minute = (start + warmup * wmile + tempo * tmile + cooloff * cmile - hour * 3600) // 60
second = (start + warmup * wmile + tempo * tmile + cooloff * cmile - hour * 3600) % 60

print('Your run ended at %02d:%02d:%02d' % (hour, minute, second))

In this code, the time prompts are all the same: "Enter time (hh:mm:ss):" I want each prompt to refer to its variable name, e.g., "Enter start time (hh:mm:ss)" or "Enter time (hh:mm:ss): (warmup)". Is there a way to do this?

Note: While this may technically be a duplicate, I have examined the similar questions, but decided that both the questions and the answers provided were on the more unspecific side, and therefore decided to ask my question anyway.

You mean to show in the prompt? `t = raw_input('Enter {} time (hh:mm:ss): '.format(t))` — zwer, Jun 08 '17 at 01:23
Possible duplicate of [Does Python has a similar variable interpolation like "string #{var}" in Ruby?](https://stackoverflow.com/questions/11788472/does-python-has-a-similar-variable-interpolation-like-string-var-in-ruby) — OneCricketeer, Jun 08 '17 at 01:27
It's called string interpolation. It doesn't really matter you're calling the input function — OneCricketeer, Jun 08 '17 at 01:28

score 1 · Accepted Answer · answered Jun 08 '17 at 01:29

Yes, use the input to your function elapsed(t).
Right now it's being overwritten with the return from raw_input()

def elapsed(t):
    t1 = raw_input('Enter time (hh:mm:ss): ({0})'.format(t))
    th, tm, ts = t1.split(':')
    return int(ts) + int(tm) * 60 + int(th) * 3600

or

def elapsed(t):
    t1 = raw_input('Enter time (hh:mm:ss): (%s)' % t))
    th, tm, ts = t1.split(':')
    return int(ts) + int(tm) * 60 + int(th) * 3600

score 0 · Answer 2 · answered Jun 08 '17 at 01:37

def enter_time(specify_string):
    print("Please enter the", specify_string, 'time in format hh:mm:ss > ', end='')
    hh, mm, ss = input().split(':')
    return (hh, mm, ss)

start_time = enter_time('start')
finish_time = enter_time('finish')


>>>Please enter the start time in format hh:mm:ss >13:32:34 
>>>Please enter the finish time in format hh:mm:ss >12:21:21
>>>start_time
(13, 32, 34)

Now you can call the function with string arguments in the function call, and it will generalise the function for different requirements.

It is better to move the time between functions in a more readable format, such as a tuple. You can make more functions, eg: - Test valid time entered - Convert tuple to seconds for calculations - Convert seconds back to tuple format ect.

Let me know if I misunderstood you.

Add function names to a string in Python

2 Answers2