print("number pattern")
row=5
for i in range(1,row+1,1):
    for j in range(1,i+1):
        print(j,end='')
    print(" ")
        
    '''print("Number Pattern "

# Decide the row count. (above pattern contains 5 rows)
row = 5

for i in range(1, row + 1, 1):
    for j in range(1, i + 1):
        print(j, end=' ')
    print("")'''