rowNum = 5

# The number of asterisk in each row equals to the row number

# Drawing 1 row of stars(5 stars)

for i in range(5): # For loop approach

print("*", end=" ")

print("\r") # go to the next line

def Pyramid(rowNum):

for i in range(1, rowNum + 1, 1):

print("*" * i) # String multiplication approach

# Reverse the triangle

for i in range(rowNum - 1, 0, -1):

print("*" * i)

def NumberPyramid(rowNum):

"""

e.g. rowNum = 5

1

22

3 3 3

4 4 4 4

5 5 5 5 5

"""

for i in range(1, rowNum + 1, 1):

print((str(i) + " ") * i)

"""

1

1 2

1 2 3

1 2 3 4

1 2 3 4 5

"""

def NumPyramid2(rowNum):

for j in range(2, rowNum + 2, 1):

for i in range(1, j, 1):

print(i, end=" ")

print("\r")

"""

Multiplication table pattern

1

2 4

3 6 9

4 8 12 16

5 10 15 20 25

...

"""

print(1 * 1, end = " ")

print("\r")

print(2 * 1, end = " ")

print(2 * 2, end = " ")

print("\r")

print(3 * 1, end = " ")

print(3 * 2, end = " ")

print(3 * 3, end = " ")

print("\r")

for j in range(1, rowNum + 1, 1):

# For each row repeat column times (row number)

for i in range(1, j + 1, 1):

print(i * j, end=" ")

print("\r")

# first step, identify numbers that are changing, then replace it with a variable