# Oplossing 1
stairs = ''
for i in range(10):
    stairs += '#'
    print(stairs)

# Oplossing 2
for i in range(10):
    print("#" * i)
# Oplossing 1
stairs = ''
for i in range(10):
    stairs += '#'
    print(stairs)

# Oplossing 2
for i in range(10):
    print("#" * i)
# Oplossing 1 # Oplossing 2