def main():
    i = 1
    while i < 10:
        j = i
        while j < 10:
            print("{} ".format(j), end="")
            j = j + 1
        print("")
        i = i + 1
    print("Complete!")


main()

Tips for Nested Loops

• Understand Boolean Expressions
• Separate Loops into Functions
• Combine Loops
• Simple Loops