pep8-ish

primes.py

@@ -1,38 +1,41 @@
+import os
 import sys
 import time
-import os
+
 
 def get_primes7(n):
-	"""
-	standard optimized sieve algorithm to get a list of prime numbers
-	--- this is the function to compare your functions against! ---
-	"""
-	if n < 2:  return []
-	if n == 2: return [2]
-	# do only odd numbers starting at 3
-	if sys.version_info.major <= 2:
-		s = range(3, n+1, 2)
-	else: # Python 3
-		s = list(range(3, n+1, 2))
-	# n**0.5 simpler than math.sqr(n)
-	mroot = n ** 0.5
-	half = len(s)
-	i = 0
-	m = 3
-	while m <= mroot:
-		if s[i]:
-			j = (m*m-3)//2  # int div
-			s[j] = 0
-			while j < half:
-				s[j] = 0
-				j += m
-		i = i+1
-		m = 2*i+3
-	return [2]+[x for x in s if x]
+    """
+    standard optimized sieve algorithm to get a list of prime numbers
+    --- this is the function to compare your functions against! ---
+    """
+    if n < 2:
+        return []
+    if n == 2:
+        return [2]
+    # do only odd numbers starting at 3
+    if sys.version_info.major <= 2:
+        s = range(3, n + 1, 2)
+    else:  # Python 3
+        s = list(range(3, n + 1, 2))
+    # n**0.5 simpler than math.sqr(n)
+    mroot = n ** 0.5
+    half = len(s)
+    i = 0
+    m = 3
+    while m <= mroot:
+        if s[i]:
+            j = (m * m - 3) // 2  # int div
+            s[j] = 0
+            while j < half:
+                s[j] = 0
+                j += m
+        i = i + 1
+        m = 2 * i + 3
+    return [2] + [x for x in s if x]
 
-startTime = int(time.time())
-periodTime = int(os.environ['RUN_TIME'])
+start_time = int(time.time())
+period_time = int(os.environ['RUN_TIME'])
 
-while (int(time.time()) - startTime) < periodTime:
-	res = get_primes7(10000000)
-	print("Found {} prime numbers.".format(len(res)))
+while (int(time.time()) - start_time) < period_time:
+    res = get_primes7(10000000)
+    print("Found {} prime numbers.".format(len(res)))