loop1

# 1
for i in range(10):
    print("*", end=" ")
print()

# 2
for i in range(10):
    print("*", end=" ")
print()
for i in range(5):
    print("*", end=" ")
print()
for i in range(20):
    print("*", end=" ")

# 3
for row in range(10):
    for column in range(10):
        print("*", end=" ")
    print()

# 4
for i in range(10):
    for j in range(5):
        print("*", end=" ")
    print()

# 5
for i in range(5):
    for j in range(20):
        print("*", end=" ")
    print()

# 6
for row in range(10):
    for column in range(10):
        print(column, end=" ")
    print()

# 7
for row in range(10):
    for column in range(10):
        print(row, end=" ")
    print()

# 8
for row in range(10):
    for column in range(row + 1):
        print (column, end=" ")
    print()