b = sorted("Python is a popular programming language".split(), key=str.lower)
print(b[-1])
groveA = ['Cherry', 'Apple', "Banana', 'Apple']
groveB = ['Apple', 'Peach', 'Peach']
Fruits = set(groveA + groveB)
n = len(Fruits)
print(n)
a = "Python is a popular programming language."
a.replace("programming", "computer")
print(a)
tab99 = {}
for i in range(1, 9 + 1):
for j in range(1, i + 1):
tab99[(j, i)] = i*j
print(tab99)
lstA = ['grape', 'cherry', 'mango']
lstB = lstA
lstB.append('apple')
lstA.sort()
print(lstA[0])