PATTERNS:
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# WAP IN PYTHON TO PRINT A RIGHT ANGLED TRIANGLE (PYRAMID) PATTERN WITH '*'

rows = int(input("Enter number of rows:"))  # 5

# we required to iterate on individual rows from row1 to row5
# while iterating on individual rows:
# we required to iterate on individual columns from col1 to print '*'

for r in range(1,rows+1):
    for c in range(1,r+1):
        print("* ",end = " ")
    print()

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# WAP TO MAKE SQUARE PATTERN WITH '*'

rows = int(input("Enter number of lines:")) # 5

for r in range(1,rows+1):   # 1     2     3    4    5
    for c in range(1,rows+1):   # 1   2   3   4
        print("* ",end = " ")
    print()

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# WAP TO PRINT AN INVERTED PYRAMID USING '*'

lines = int(input("Enter number of lines:"))    # 5

for r in range(1,lines+1):  # 1     2     3     4       5
    for c in range(1,lines+2-r):    # 1     2     
        print("* ",end = " ")
    print()

============================================
# WAP IN PYTHON TO PRINT TRIANGLE WITH '*'

n = int(input("Enter number lines:"))   # 5

for r in range(1,n+1):  # 1     2       3       4       5
    print(" " * (n - r),"* " * r,end = "\t")
    print()