26_print_a_particular_index_of_pascal_triangle.py

# index row in Pascal's triangle
 
# Function to find the elements
# of rowIndex in Pascal's Triangle
def getRow(rowIndex) :
 
    currow = []
     
    # 1st element of every row is 1
    currow.append(1)
     
    # Check if the row that has to
    # be returned is the first row
    if (rowIndex == 0) :
     
        return currow
     
    # Generate the previous row
    prev = getRow(rowIndex - 1)
 
    for i in range(1, len(prev)) :
         
        # Generate the elements
        # of the current row
        # by the help of the
        # previous row
        curr = prev[i - 1] + prev[i]
        currow.append(curr)
 
    currow.append(1)
     
    # Return the row
    return currow
 
n = 0
arr = getRow(n)
 
for i in range(len(arr)) :
 
    if (i == (len(arr) - 1)) :
        print(arr[i])
    else :
        print(arr[i] , end = ", ")