#!/usr/bin/python3

# Challenge 033
#
# Task #2
# Formatted Multiplication Table
# Write a script to print 11x11 multiplication table, only the top half triangle.
#
#   x|   1   2   3   4   5   6   7   8   9  10  11
# ---+--------------------------------------------
#   1|   1   2   3   4   5   6   7   8   9  10  11
#   2|       4   6   8  10  12  14  16  18  20  22
#   3|           9  12  15  18  21  24  27  30  33
#   4|              16  20  24  28  32  36  40  44
#   5|                  25  30  35  40  45  50  55
#   6|                      36  42  48  54  60  66
#   7|                          49  56  63  70  77
#   8|                              64  72  80  88
#   9|                                  81  90  99
#  10|                                     100 110
#  11|                                         121

# print header
print("  x|", end="")
for col in range(1, 12):
    print(f"{col:4d}", end="")
print("")
print("---+", "-"*(11*4), sep="")

# print table
for row in range(1, 12):
    print(f"{row:3d}|", end="")
    print(" "*(4*(row-1)), end="")
    for col in range(row, 12):
        print(f"{row*col:4d}", end="")
    print("")