style: modify the output of scripts

Instead of separating output primes by newline, the scripts now separate
by spaces.

bash/nixpkgs/soe

@@ -13,10 +13,12 @@ unset nums[-1]
 
 while [ -n "$nums" ]; do
     prime=${nums[0]}
-    echo $prime
+    echo -n "$prime "
     nums_=()
     for elem in "${nums[@]}"; do
         [ $(( $elem % $prime )) -eq 0 ] || nums_+=($elem)
     done
     nums=(${nums_[@]})
 done
+
+echo

fish/nixpkgs/soe

@@ -7,7 +7,7 @@ set nums (seq 2 $num)[..-2]
 
 while test -n "$nums"
     set prime $nums[1]
-    echo $prime
+    echo -n "$prime "
 
     set -e nums_
     for elem in $nums
@@ -15,3 +15,5 @@ while test -n "$nums"
     end
     set nums $nums_
 end
+
+echo

python/nixpkgs/soe/main.py

@@ -1,5 +1,4 @@
 
-
 def sieve_of_eratosthenes(n):
     nums = list(range(2, n))
     while nums:
@@ -11,7 +10,8 @@ def main():
     num = int(input("Primes up to: "))
     print()
     for i in sieve_of_eratosthenes(num):
-        print(i)
+        print(i, end=" ")
+    print()
 
 
 if __name__ == "__main__":