Scientific Computing with Python Projects - Time Calculator

Tell us what’s happening:

Describe your issue in detail here.

Your code so far

def add_time(start, duration,day = ''):
    star_index = start.find(':')
    dura_index = duration.find(':')
    hours_star = int(start[:star_index])
    minites_star = int(start[star_index+1:star_index+3])
    hours_dura = int(duration[:dura_index])
    minites_dura = int(durtion[dura_index+1:]) 
    newhour = hours_star + hours_dura
    newminites =minites_star + minites_dura

    days = [(1,'Sunday'),(2,'Monday'),(3,'Thuesday'),(4,'Wednesday'),(5,'Thursday'),(6,'Friday'),(7,'Saturday')]
    
    if newminites > 59:
        newhour +=1
        newminites = newminites - 60
    start.replace(start[star_index+1:star_index+3],str(nweminites))
    n=0
    if newhour > 11 and newhour < 24:
        if start.find('PM'):
            n = (newhour // 24) + 1
            newhour -= 12
            start.replace('PM','AM')
        else:
            n = newhour // 24
            newhour -= 12
            start.replace('AM','PM')
    elif newhour > 23:
        if start.find('PM'):
            n = (newhour // 24) + 1
            newhour = newhour % 24
            if newhour < 12:
                start.replace('PM','AM')
            else:
                newhour -= 12    
        else:    
            n = newhour // 24
            newhour = newhour % 24
            if newhour > 11:
                start.replace('AM','PM') 
                newhour -= 12
    start.replace(start[:star_index],str(newhour))      
    if day != '' and n != 0:
        ds =days.lower()
        for v,d in ds:
            if day.lower() == d:
                index1 = v + n 
                index1 %= 7
        index2 = [day_tuple[0] for day_tuple in days].index(index1) 
        day = days[index2][1] 
    if n != 0:
        n = '(next day)' if n == 1 else f'({n} days later)'            
    if day == '':
        if n ==0:
            new_time = f'{start}'
        else:
            new_time = f'{start} {n}'
    else:
        if n ==0:
            new_time = f'{start}, {day}'
        else:
            new_time = f'{start}, {day} {n}' 
    return new_time 

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Challenge Information:

Scientific Computing with Python Projects - Time Calculator

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