This code generates a left-aligned 9×9 multiplication table (showing the lower triangle of the full grid, where the multiplier j is ≤ the multiplicand i). Here's a breakdown:
Let’s analyze each part step by step:
Outer Loop:
for i in range(1,10) → Iterates over values of i from 1 to 9 (since range(1,10) excludes the upper bound 10). i represents the fixed multiplicand for each row.
Inner Loop:
for j in range(1, i+1) → For each i, iterates over j from 1 to i (inclusive). j represents the varying multiplier for the current row.
Print with Tab Separator:
print(f"{j}*{i}={i*j}", end="\t") → Formats and prints the expression j*i = product (e.g., 1*2=2). The end="\t" replaces the default newline with a tab character, so all entries in the same row are side-by-side.
New Line After Row:
print() → After the inner loop finishes (all multipliers j for the current i are printed), this adds a newline to start the next row.
The first 3 rows look like this:
1*1=1
1*2=2 2*2=4
1*3=3 2*3=6 3*3=9
... And it continues up to i=9, with each row containing 9 entries (for i=9, j runs from 1 to9).
This code produces a clean, tab-separated multiplication table focused on the lower triangle (j ≤ i) for readability.
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