Merge pull request geekcomputers#292 from luke-zhou/master

geekcomputers · web-flow · commit 8317d5ddc704 · 2018-02-05T08:43:40.000Z
Replace map function with list comprehension
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,2 @@
+
+*.pyc
diff --git a/4 Digit Number Combinations.py b/4 Digit Number Combinations.py
diff --git a/four_digit_num_combination.py b/four_digit_num_combination.py
@@ -0,0 +1,16 @@
+""" small script to learn how to print out all 4-digit num"""
+
+# ALL the combinations of 4 digit combo
+def four_digit_combinations():
+    """ print out all 4-digit numbers in old way"""
+    numbers = []
+    for code in range(10000):
+        code = str(code).zfill(4)
+        print(code)
+        numbers.append(code)
+
+# Same as above but more pythonic
+def one_line_combinations():
+    """ print out all 4-digit numbers """
+    numbers = [str(i).zfill(4) for i in range(10000)]
+    print(numbers)
