16 lines
396 B
Python
16 lines
396 B
Python
#!/usr/bin/env python
|
|
|
|
# sum the squares of a list of numbers
|
|
# using list comprehension, entire list is stored in memory
|
|
s1 = sum([x * x for x in range(10)]) # <1>
|
|
|
|
# only one square is in memory at a time with generator expression
|
|
s2 = sum(x * x for x in range(10)) # <2>
|
|
print(s1, s2)
|
|
print()
|
|
|
|
page = open("../DATA/mary.txt")
|
|
m = max(len(line) for line in page) # <3>
|
|
page.close()
|
|
print(m)
|