i've just started studying python in college and i have a problem with this exercise: basically i have to take a list of integers, like for example [10,2,2013,11,2,2014,5,23,2015], turn the necessary elements to form a date into a string, like ['1022013',1122014,5232015] and then put a / between the strings so i have this ['10/2/2013', '11/22/2014','05/23/2015']. It needs to be a function, and the length of the list is assumed to be a multiple of 3. How do i go about doing this? I wrote this code to start:
def convert(lst):
...: for element in lst:
...: result = str(element)
...: return result
...:
but from a list [1,2,3] only returns me '1'.
To split your list into size 3 chunks you use a range with a step of 3
for i in range(0, len(l), 3):
print(l[i:i+3])
And joining the pieces with / is as simple as
'/'.join([str(x) for x in l[i:i+3]])
Throwing it all together into a function:
def make_times(l):
results = []
for i in range(0, len(l), 3):
results.append('/'.join([str(x) for x in l[i:i+3]]))
return results
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