1 files changed, 21 insertions, 0 deletions
diff --git a/wk2/lect/uppercase.c b/wk2/lect/uppercase.c
new file mode 100644
index 0000000..3a34b97
--- /dev/null
+++ b/wk2/lect/uppercase.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <cs50.h>
+#include <string.h>
+
+int main(void)
+{
+    string s = get_string("Before: ");
+    printf("After: ");
+    for (int i = 0; i < strlen(s); i++)
+    {
+        if (s[i] >= 'a' && s[i] <= 'z')
+        {
+            printf("%c", s[i] - 32);
+        }
+        else
+        {
+            printf("%c", s[i]);
+        }
+    }
+    printf("\n");
+}