Merged pattern1 & pattern2

Author: OfficialAhmed

Patterns/half triangle pattern.py

@@ -0,0 +1,82 @@
+    # (upper half - repeat)
+    #1
+    #22
+    #333
+
+    # (upper half - incremental)
+    #1
+    #12
+    #123
+  
+    # (lower half - incremental)
+    #123
+    #12
+    #1
+
+    # (lower half - repeat)
+    #333
+    #22
+    #1
+
+def main():
+    lines = int(input("Enter no.of lines: "))
+    pattern = input("i: increment or r:repeat pattern: ").lower()
+    part = input("u: upper part or l: lower part: ").lower()
+
+    match pattern:
+        case "i":
+            if part == "u":
+                upper_half_incremental_pattern(lines)
+            else:
+                lower_half_incremental_pattern(lines)
+
+        case "r":
+            if part == "u":
+                upper_half_repeat_pattern(lines)
+            else:
+                lower_half_repeat_pattern(lines)
+
+        case _:
+            print("Invalid input")
+            exit(0)
+
+def upper_half_repeat_pattern(lines):
+
+    t = 1
+    for column in range(1, (lines +1)):
+        print(f"{str(t) * column}")
+        t += 1
+
+def upper_half_incremental_pattern(lines):
+
+    for column in range(1, (lines +1)):
+        row = ""
+        for ii in range(1, column +1):
+            row += str(ii)
+        print(row)
+            
+
+def lower_half_incremental_pattern(lines):
+
+    for row_length in range(lines, 0, -1):
+        row = ""
+        column = 1
+
+        for _ in range(row_length):
+            column = 0 if column == 10 else column
+            row = f"{row}{column}"
+            column += 1
+
+        print(row)
+
+def lower_half_repeat_pattern(lines):
+
+    for row_length in range(lines, 0, -1):
+        
+        row = ""
+        for _ in range(1, row_length+1):
+            row += str(row_length)
+        print(row)
+
+if __name__ == "__main__":
+    main()