python has a very useful function to enumerate a list, please add this function
Xcas code
Code : Tout sélectionner
def enumerate(list_, start_=0):
local n, n_, elem
if start_== 0:
n, n_ = start_, start_
else:
n, n_ = start_, 0
for elem in list_:
list_[ n_ ] := [ n, elem ]
n += 1
n_ += 1
return list_
[[0,"Spring"],[1,"Summer"],[2,"Fall"],[3,"Winter"]]
enumerate( ["Spring", "Summer", "Fall", "Winter"], 1 ) [enter] returns
[[1,"Spring"],[2,"Summer"],[3,"Fall"],[4,"Winter"]]