1 files changed, 12 insertions, 0 deletions
diff --git a/progs/a476.py b/progs/a476.py
new file mode 100644
index 0000000..7c1b0b6
--- /dev/null
+++ b/progs/a476.py
@@ -0,0 +1,12 @@
+def check_integer(text):
+ text = text.strip()
+ if len(text) < 1:
+    return None
+ else:
+     if all(text[i] in "0123456789" for i in range(len(text))):
+          return True
+     elif (text[0] in "+-") and \
+         all(text[i] in "0123456789" for i in range(1,len(text))):
+         return True
+     else:
+        return False
+\ No newline at end of file