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Building a Tree with Loops
def tree():
n = int(input("Enter the height of your tree: "))
# number of spaces
k = n - 1
# outer loop to handle number of rows
for i in range(0, n):
# inner loop to handle number spaces
# values changing acc. to requirement
for j in range(0, k):
print(end=" ")
# decrementing k after each loop
k = k - 1
# inner loop to handle number of columns
# values changing acc. to outer loop
for j in range(0, i + 1):
# printing stars
print("* ", end="")
# ending line after each row
print(" ")
# width of stump
trunk = n // 4
# rows of stump
trunk_height = n // 6
for i in range(trunk_height):
# trunk must be centered
for j in range(n - trunk):
print(" ", end="")
for k in range(trunk):
print("*", end="")
print(" ")
Creating a Factorial Class
class Factorial:
def __call__(self, n):
f = 1
for i in range(1, n + 1):
f = f * i
return f
# Factorial tester
def facTester():
for i in range(11):
# create instance of class
myOb = Factorial()
# calculate factorial of i
answer = myOb(i)
print("The factorial of %d is %d" % (i, answer))