Question

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Joining List has integer values with python

I’m having a syntax problem with for loops and list in python. I’m trying to export a list of numbers that’s exported to a text file that’s space delimited.

Example: what should be in the text file
0 5 10 15 20

The code I’m using is below, any ideas how to fix this.

f = open("test.txt", "w")
mylist=[]
for i in range(0,20+1, 5):      
    mylist.append(i)
    f.writelines(mylist)

f.close()

Answer 1

Try this:

mylist = range(0,20+1,5)
f = open("test.txt", "w")
f.writelines(' '.join(map(str, mylist)))
f.close()