Python program to print Floyd's triangle

Write a program in python to print Floyd's triangle.

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a=1

for x in range(1,6):

    for y in range(1,x+1):

        print(a,end=' ')

        a=a+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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