Python Write a Program to Print the Multiplication Table

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The multiplication table is a classic programming exercise that shows the results of multiplying numbers from 1 to 9 by each other. We will use nested for loops to implement this.

Example

for i in range(1, 10):        # Outer loop, controls the number of rows (1 to 9)
    for j in range(1, i+1):   # Inner loop, controls the number of columns per row (1 to the current row number i)
        print(f"{j}x{i}={i*j}", end="\t")  # Print the multiplication expression, separated by tabs
    print()                   # Newline after each row ends

Code analysis:

  • Outerforloop (for i in range(1, 10)) controls the number of rows, from 1 to 9.
  • Innerforloop (for j in range(1, i+1)) controls the number of columns per row, from 1 to the current row numberi。
  • print(f"{j}x{i}={i*j}", end="t")Print each multiplication expression,end="t"Ensure each expression is separated by tabs.
  • After the inner loop ends,print()it is used to insert a newline and start a new line.

Output result:

1x1=1   
1x2=2   2x2=4   
1x3=3   2x3=6   3x3=9   
1x4=4   2x4=8   3x4=12  4x4=16  
1x5=5   2x5=10  3x5=15  4x5=20  5x5=25  
1x6=6   2x6=12  3x6=18  4x6=24  5x6=30  6x6=36  
1x7=7   2x7=14  3x7=21  4x7=28  5x7=35  6x7=42  7x7=49  
1x8=8   2x8=16  3x8=24  4x8=32  5x8=40  6x8=48  7x8=56  8x8=64  
1x9=9   2x9=18  3x9=27  4x9=36  5x9=45  6x9=54  7x9=63  8x9=72  9x9=81  

Using the join() method:

Example

for i in range(1, 10):
    print('\t'.join(f"{j}x{i}={i*j}" for j in range(1, i+1)))

List comprehension: the outer layer is a list comprehension, the inner layer is a generator expression.

Example

[print('\t'.join(f"{j}x{i}={i*j}" for j in range(1, i+1))) for i in range(1, 10)]

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