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Guru prasanna
Guru prasanna

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Python Day- 17 Pattern formation using nested For loop

#payilagam #python #pattern #loop

Pattern formations:
Exercises:

1)

for row in range(5):
    for col in range(5-row):
        print(5-col,end=' ')
    print()
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Output:

5 4 3 2 1 
5 4 3 2 
5 4 3 
5 4 
5
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2)

no = 1
for row in range(5): 
    for col in range(5-row):
        print(no, end=' ')
        no+=1
    print()
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Output:

1 2 3 4 5 
6 7 8 9 
10 11 12 
13 14 
15
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3)

for row in range(5): 
    for col in range(5-(row+1)):
        print(col+1, end=' ')
    print()
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Output:

1 2 3 4 
1 2 3 
1 2 
1
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4)

for row in range(5): 
    for col in range(4-row):
        print(col+1, end=' ')
    print("* ", end= ' ')
    print()
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Output:

1 2 3 4 *  
1 2 3 *  
1 2 *  
1 *  
*
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5)

for row in range(5): 
    for col in range(4-row):
        print(col+1, end=' ')
    for col in range(5):
        print("* ",end=' ')
    print()
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Output:

1 2 3 4 *  *  *  *  *  
1 2 3 *  *  *  *  *  
1 2 *  *  *  *  *  
1 *  *  *  *  *  
*  *  *  *  *
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6)

for row in range(5): 
    for col in range(4-row):
        print(col+1, end=' ')
    for col in range(5):
        print(col,end=' ')
    print()
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Output:

1 2 3 4 0 1 2 3 4 
1 2 3 0 1 2 3 4 
1 2 0 1 2 3 4 
1 0 1 2 3 4 
0 1 2 3 4
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7)

for row in range(5): 
    for col in range(4-row):
        print(" ", end=' ')
    for col in range(row+1):
        print(col+1,end=' ')
    print()
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Output:

        1 
      1 2 
    1 2 3 
  1 2 3 4 
1 2 3 4 5
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8)

for row in range(5): 
    for col in range(4-row):
        print("", end=' ')
    for col in range(row+1):
        print(col+1,end=' ')
    print()
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Output:

    1 
   1 2 
  1 2 3 
 1 2 3 4 
1 2 3 4 5
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9)

for row in range(5): 
    for col in range(4-row):
        print(" ", end=' ')
    for col in range(5):
        print(col+1,end=' ')
    print()
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Output:

        1 2 3 4 5 
      1 2 3 4 5 
    1 2 3 4 5 
  1 2 3 4 5 
1 2 3 4 5
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10)

for row in range(5): 
    for col in range(row+1):
        print(col+1,end=' ')
    print()
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Output:

1 
1 2 
1 2 3 
1 2 3 4 
1 2 3 4 5
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11)

for row in range(5): 
    for star in range(4-row):
        print("*",end=' ')
    for col in range(row+1):
        print(col+1,end=' ')
    print()
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Output:

* * * * 1 
* * * 1 2 
* * 1 2 3 
* 1 2 3 4 
1 2 3 4 5
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12)

for row in range(5): 
    for star in range(4-row):
        print(" ",end=' ')
    for col in range(row+1):
        print(5-col,end=' ')
    print()
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Output:

        5 
      5 4 
    5 4 3 
  5 4 3 2 
5 4 3 2 1
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13)

for row in range(5): 
    for space in range(4-row):
        print(' ',end=' ')
    for col in range(row+1):
        print(5+col-row,end=' ')
    print()
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Output:

        5 
      4 5 
    3 4 5 
  2 3 4 5 
1 2 3 4 5
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