def main():
"""
test function
:return: none
"""
thousand_primes = islice((x for x in count() if is_prime(x)), 1000) # Returns a list of first 1000 primes
print(thousand_primes, type(thousand_primes))
print("list of first thousand prime numbers", list(thousand_primes))
# Note: if you need to use the object again, you need to regenerate it, or you get a 0 value.
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of first thousand prime numbers", sum(thousand_primes))
# other built-ins used with itertools: any ("or"), all ("and")
print(any([False, False, True]))
print(all([False, False, True]))
print("Are there any primes between 1328-1361?", any(is_prime(x) for x in (range(1328, 1362))),
list(x for x in range(1328, 1362) if is_prime(x)))
# Check if all names in an iterable are in the title form: first letter capitalized
names = ["London", "New York", "ogden"]
print(all(name == name.title() for name in names))
# Another built-in: zip
sunday = [2, 2, 5, 7, 9, 10, 9, 6, 4, 4]
monday = [12, 14, 14, 15, 15, 16, 13, 10, 9]
tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
# wednesday = [15, 15, 16]
# monday = [12, 14, 14, 15, 15, 16, 13, 10, 9]
# monday = [12, 14, 14, 15, 15, 16, 13, 10, 9]
# Calculate min, max, ave for 3 days
# {:4.1f} => 4 chars width, 1 decimal precision floating point
for temps in zip(sunday, monday, tuesday):
print("min={:4.1f}, max={:4.1f}, avg={:4.1f}".format(
min(temps), max(temps), sum(temps)/len(temps) ))
# Chain
all_temps = chain(sunday, monday, tuesday)
print("All temps > 0? ", all(t>0 for t in all_temps))
def main():
"""
:return:
"""
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print("List og first 1k prime numbers:", list(thousand_primes))
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("List og first 1k prime numbers:", sum(thousand_primes))
#other built_ins use with itertools: any, all
print(any([False, False, False, True]))
print(all([False, False, True]))
print(any([is_prime(x) for x in range(1328, 1362)]))
names = ["London", "New York", "ogden"]
print(all([s.istitle() for s in names]))
#another built-in: zip()
monday = [12, 14, 14, 15, 15, 16, 15, 13, 10, 9]
tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
sunday = [2, 2, 5, 7, 9, 10, 9, 6, 4, 4]
# for temps in zip(monday, tuesday, sunday):
# print("min={:4.1f}, max={4.1f}, avg={4.1f}".format(
# min(temps), max(temps), sum(temps)/len(temps)
# ))
all_temps = chain(sunday, monday, tuesday)
print("All temperatures > 0", all(t > 0 for t in all_temps))
def main():
"""
Test function
:return:
"""
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print("list of fist 1k prime numbers", list(thousand_primes))
# in order to use thousand primes you have to regenerate it
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("list of fist 1k prime numbers", sum(thousand_primes))
# other built-ins use with itertools: any, all
print(any([False, False, True]))
print(all([False, False, True]))
print(any( is_prime(x) for x in range(1328,1362)))
names = ['London', 'New York', 'Ogden']
print(all(name == name.title() for name in names))
# another built in: zip
sunday = [2,2,5,7,9,10,9,6,4,4]
monday = [12,14,14,15,15,16,15,13,10,9]
tuesday = [13,14,15,15,16,17,16,16,12,12]
for temps in zip(sunday,monday,tuesday):
print(min(temps),max(temps),sum(temps)/len(temps))
#chaining
all_temps = chain(sunday,monday,tuesday)
print("all temps > 0", all(t>0 for t in all_temps))
def main():
"""
Test function
:return:
"""
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print("List of first 1K prime numbers:", list(thousand_primes))
# Note: If you need to use the object again, you need to re-generate it
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of first 1K prime numbers:", sum(thousand_primes))
# Other built-ins use with itertools: any ("or"), all ("and")
print(any([False, False, True]))
print(all([False, False, True]))
print("Are there prime numbers between 1328 and 1361?",
any(is_prime(x) for x in range(1328, 1362)),
list(x for x in range(1328, 1362) if is_prime(x)))
# Check if all names in an iterable are in title form: First letter capitalize
names = ["London", "New York", "ogden"]
print(all(name == name.title() for name in names))
# Another built-in: zip()
sunday = [2, 2, 5, 7, 9, 10, 9, 6, 4, 4]
monday = [12, 14, 14, 15, 15, 16, 15, 13, 10, 9]
tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
# wednesday = [12, 12]
# Calculate the minimum, maximum, and average of all points
# {:6.1f} => 6 chars width, 1 decimal precision floating point
for temps in zip(sunday, monday, tuesday):
print("min={:6.1f}, max={:6.1f}, avg={:6.1f}".format(
min(temps), max(temps),
sum(temps) / len(temps)))
# chain from itertools
all_temps = chain(sunday, monday, tuesday)
print("All temperatures > 0", all(t > 0 for t in all_temps))
def main():
"""
Test function
:return:
"""
# generate the first 1000 primes
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print("List of first 1K prime numbers:", list(thousand_primes))
# what if we want to add them? wrap it all up with a sum, need to regenerate you data set
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of first 1K prime numbers:", sum(thousand_primes))
# other built-ine use with itertools: like any ("or"), or all ("and") : boolean statements T of F
print(any([False, False, True])) # should get true back -> True: : can use to test for empty strings
print(all([False, False, True])) # -> False
# Lets say we have the range 1328, 1361 are there any prime numbers in this range?
print("Are there prime numbers between 1328 and 1361?",
any(is_prime(x) for x in range(1328, 1362))) # -> True : the is_prime is producing a list of booleans
# if we used ( x for x in... it would produce a list of integers (warning: false positive any nonzero int is true
# Print the prime numbers within that range
print("Are there prime numbers between 1328 and 1361?",
any(is_prime(x) for x in range(1328, 1362)), list(x for x in range(1328, 1362) if is_prime(x)))
# -> Are there prime numbers between 1328 and 1361? True [1361]
# Check if all names in the iterable are in title form: First letter capitalized
names = ["London", "New York", "Ogden"] # all must be first letter CAPS
print(all(name == name.title() for name in names)) # -> True
names = ["London", "New York", "ogden"] # all must be first letter CAPS
print(all(name == name.title() for name in names)) # -> False
# Another built-in: zip():
sunday = [2, 2, 5, 7, 9, 10, 9, 6, 4, 4]
monday = [12, 14, 14, 15, 15, 16, 15, 13, 10, 9] # degrees in celsius
tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
# lets iterate over data set: compare first M to first T without keeping track of the index
for item in zip(monday, tuesday): # -> Prints as tuples
print(item)
# what was the average temp for each reading? Unpack the tuples
for mon, tues in zip(monday, tuesday):
print("average = ", (mon + tues/2))
""" ->
average = 18.5
average = 21.0
average = 21.5 ...
"""
# calculate the min, max and avg of all points.
for temps in zip(sunday, monday, tuesday):
print("min = {:4.1f}", "max = {:4.1f}", "avg = {:4.1f}".format(
min(temps), max(temps), sum(temps)/len(temps)))
# {:indent 4(WIDTH OF FIELD) . one floating point
# what happens when your data set is not even. it stops when it does not have an even set to continue with
# example: if we added wednesday = [2, 2] all of our sets would only report 2 values
# Chain from itertools: combine all data sets
all_temps = chain(sunday, monday, tuesday)
print("All temperatures > 0", all(t > 0 for t in all_temps))
def main():
"""
test function for words library
:return: nohing
"""
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print ("List of first 1K fprime numbers:", list(thousand_primes))
# Note: if you need to use the object again, you need to re-generate it
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of first 1K fprime numbers:", sum(thousand_primes))
# Other build-ins use with itertools: any (OR), all (AND)
print(any([False, False, True]))
print(all([False, False, True]))
print(any(is_prime(x) for x in range(1352, 1360)))
def main():
"""
:return:
"""
#list with one million square numbers
m_sq = (x for x in range(1, 10001) if (is_prime(x)))
print(m_sq, type(m_sq))
print(sum(m_sq))
def main():
"""
Test function
:return:
"""
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print("List of first 1K prime numbers:", list(thousand_primes))
# Note: If you need to use the object again, you need to re-generate it
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of first 1K prime numbers:", sum(thousand_primes))
# Other built-ins to use with itertools: any (think "or"), all (think "and")
print(any([False, False, True]))
print(all([False, False, True]))
print()
# Assignment: Do I have any prime numbers in the range of 1328, 1361?
# my guess: use the range command
# this should return a TRUE
print("Are there prime numbers between 1328 and 1361?",
any(is_prime(x) for x in range(1328, 1362)),
list(x for x in range(1328, 1362) if is_prime(x)))
# Check if all names in an iterable are in title form: First letter capitalized
names = ["London", "New York", "Ogden"]
print(all(name == name.title() for name in names)) # name == name.title will yield true or false
print()
# Another built-in: zip
sunday = [2, 2, 5, 7, 9, 10, 9, 6, 4, 4]
monday = [12, 14, 14, 15, 15, 16, 15, 13, 10, 9]
tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
# Calculate the min, max, and average of all points
# (:6.1f) => 6 chars width, 1 decimal precision floating point
for temps in zip(sunday, monday, tuesday):
# print("Average =", (mon + tue/2) We moditied this from what we did earlier
print("min={:4.1f}, max={:4.1f}, ave={:6.1f}".format(
min(temps), max(temps), sum(temps)/len(temps)))
# chain from intertools
all_temps = chain(sunday, monday, tuesday)
print("All temperatures > 0", all(t > 0 for t in all_temps))
def my_code():
"""
Test function
:return:
"""
thousand_primes = islice(
(x for x in count() if is_prime(x)),
1000) # this is not computationally performed here
print(thousand_primes, type(thousand_primes)) # doesn't execute
print("List of first 1K prime numbers:", list(thousand_primes))
# Need to re-generate object
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of first 1K prime numbers:", sum(thousand_primes))
# other built-in for use with itertools: any, all
print(any([False, False, True])) # OR gate
print(all([False, False, True])) # AND gate
# print(list(islice(x for x in range(1328, 1362) if is_prime(x))), )
print("List of the prime numbers between 1328 and 1400:",
list(x for x in range(1328, 1400) if is_prime(x)))
print("Are there prime numbers between 1328 and 1362?",
any(is_prime(x) for x in range(1328, 1362)))
names = ["London", "New york", "Ogden"]
print(all(name == name.title() for name in names))
# Another built-in: zip()
Monday = [12, 14, 14, 15, 15, 16, 15, 13, 10, 9] # Temp in Celsius
Tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
Wednesday = [2, 2, 5, 5, 7, 5, 5, 4, 4, 3]
format_ = ''
for temps in zip(Monday, Tuesday, Wednesday):
print(
"Temperatures in Celsius: max={:6.1f}, min={:6.1f} and average={:6.1f} "
.format(max(temps), min(temps),
statistics.mean(temps))) #statistics.mean(temps)
all_temps = chain(Monday, Tuesday, Wednesday)
print("All temperature > 0? ", all(t > 0 for t in all_temps))
print("All temperature > 0? ", all(t > 0 for t in temps))
def main():
"""
Test function
:return:
"""
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print("List of the first 1K prime numbers:", list(thousand_primes))
# Note: If you need to use the object again you need to re-generate it
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of the first 1K prime numbers:", sum(thousand_primes))
# Other built-ins use with itertools: any, all
print(any([False, False, True])) # like an OR
print(all([False, False, True])) # like an AND
# Want to find if there are any prime numbers in the range: 1328-1361
# sub_prime = islice(x for x in range(1328,1363)) <-- this way my attempt
print("Are there prime numbers between 1328 and 1361", any(is_prime(x) for x in range(1328, 1362)), list(x for x in range(1328, 1362) if is_prime(x)))
# Check if all names in an iterable are in title form: i.e. First letter capitalized
names = ["London", "New York", "Ogden"]
print(all(name == name.title() for name in names))
# Another built-in: zip()
sunday = [2, 2, 5, 7, 9, 10, 9, 6, 4, 4]
monday = [12, 14, 14, 15, 15, 16, 15, 13, 10, 9]
tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
for item in zip(monday, tuesday):
print(item)
# Want to know the average temp for each set of readings, i.e. the average of the first monday temp and first tuesday temp, etc.
for mon, tue in zip(monday, tuesday):
print("average =", (mon + tue)/2)
# Calculate the minimum, maximum, and average of all points
# 4 = total width of the field (including decimal point), 1 = precision, f = floating point
for temps in zip(sunday, monday, tuesday):
print("min={:4.1f}, max={:4.1f}, avg={:4.1f}".format(min(temps), max(temps), sum(temps)/len(temps)))
# chain
all_temps = chain(sunday, monday, tuesday)
print("All temperatures > 0:", all(t > 0 for t in all_temps))
def my_code():
"""
Test function
:return:
"""
# list with first 1 million square numbers
m_sq = (x*x for x in range(1, 1000))
print(m_sq, type(m_sq))
print("The sum of the first 1M squares is:",sum(m_sq))
print("The sum of the first 1M squares is:",sum(x*x for x in range(1, 1000001)))
print("The sum of the prime numbers below 1M is: ",
sum(x for x in range(1, 10001) if is_prime(x)))
def main():
"""
Test function
:return:
"""
# list with first 1 million square numbers
m_sq = (x * x for x in range(1, 1000001))
print(m_sq, type(m_sq))
print("sum of the 1st 1 mill squares is ", sum(m_sq))
print("sum of the 1st 1 mill squares is ",
sum((x * x for x in range(1, 1000001))))
print("sum of the prime numbers between 1 and 1 mil",
sum(x for x in range(10001) if is_prime(x)))
def main():
"""
test function
:return: none
"""
# list with first 1 million sq numbers
m_sq = (x * x for x in range(1, 1000001))
print(m_sq, type(m_sq))
print('sum of first 1M squares is:', sum(m_sq))
print('sum of first 1M squares is:', sum(x * x for x in range(1, 1000001)))
# sum of primes from 1 - 10K
print('sum of prime numbers from 1 to 10K:',
sum(x for x in range(1, 10001) if is_prime(x)))
def main():
"""
Test function
:return: Nothing
"""
# generate the first 1000 primes. List is one time use, must be regenerated to do multiple things
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print("List of first 1K prime numbers: ", list(thousand_primes))
# Note: If you need to use the object again, you need to re-generate it
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of first 1K prime numbers: ", sum(thousand_primes))
# Other built-ins use with itertools: any ("or"), all ("and")
print(any([False, False, True])) # Like an or
print(all([False, False, True])) # Like an and
# 1361 is the prime number
print("Are there prime numbers between 1328 and 1361?: ",
any(is_prime(x) for x in range(1328, 1362) if is_prime(x)))
# check if all names in an iterable are in title form: first letter capitalize
names = ['London', "New York", 'Ogden']
print(all(name == name.title() for name in names))
# Another built-in: zip()
sunday = [2, 2, 5, 7, 9, 10, 9, 6, 4, 4]
monday = [12, 14, 14, 15, 15, 16, 15, 13, 10, 9]
tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
# wednesday = [12, 12] # if the data isn't the same length it will only evaluate these two data points
# Calculate the minimum, maximum, and average of all points
# {:6.1f} => 6 chars width, 1 decimal precision floating point
for temps in zip(
sunday, monday,
tuesday): # if you add wednesday it will only eval 2 points
print(temps)
print("min={:4.1f}, max={:4.1f}, avg={:4.1f}".format(
min(temps), max(temps),
sum(temps) / len(temps)))
# chain from itertools
all_temps = chain(sunday, monday, tuesday)
print("All temperatures > 0", all(t > 0 for t in all_temps))
def main():
"""
Test function
:return:
"""
# list with first 1 million square numbers
m_sq = (x*x for x in range(1, 1000001))
print(m_sq, type(m_sq))
print('The sum of the first 1M square numbers is:', sum(m_sq))
print('The sum of the first 1M square numbers is:',
sum(x*x for x in range(1, 1000001)))
# The sum of the prime numbers between 1 to 10K
print('The sum of the prime numbers from 1 to 10K:',
sum(x for x in range(1, 10001) if is_prime(x)))
def main():
"""
Test function
:return:
list with first 1 million square numbers
"""
m_sq = (x * x for x in range(1, 1000001))
print(m_sq, type(m_sq))
print('The sum of the first 1M square numbers is', sum(m_sq))
print('The sum of the first 1M square numbers is',
sum(x * x for x in range(1, 1000001)))
# The sum of the prime numbers between 1 to 10K; add a filter which is prime
print('The sum of the prime numbers between 1 to 10K;',
sum(x for x in range(1, 10001) if is_prime(x)))
def main():
"""
Test function
:return:
"""
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print(thousand_primes, type(thousand_primes))
print("List of frist 1K prime numbers: ", list(thousand_primes))
# Note: if you need to use the object again, you need to re-generate it.
thousand_primes = islice((x for x in count() if is_prime(x)), 1000)
print("Sum of frist 1K prime numbers: ", sum(thousand_primes))
# Other built-ins use with itertools: any (like "or"), all (like "and")
print(any([False, False, True]))
print(all([False, False, True]))
print("Are there prime numbers between 1328 and 1362: ",
any(is_prime(x) for x in range(1328, 1362)))
# Check if all names are in "Title" format
names = ["London", "New York", "ogden"]
print(all(name == name.title() for name in names))
# Another built-in: zip()
sunday = [2, 2, 5, 7, 9, 10, 9, 6, 4, 4]
monday = [12, 14, 14, 15, 15, 16, 15, 13, 10, 9]
tuesday = [13, 14, 15, 15, 16, 17, 16, 16, 12, 12]
wednesday = [12, 12]
for item in zip(monday, tuesday):
print(item)
for mon, tue in zip(monday, tuesday): #unpacked the tuple
print("Avg: ", (mon + tue) / 2)
# Calculate the min, max and avg of all points
for temp in zip(sunday, monday, tuesday):
print("Min={:7.3f} Max={:7.3f} Avg={:7.3f}".format(
min(temp), max(temp),
sum(temp) / len(temp)))
# chaining
all_temps = chain(sunday, monday, tuesday)
print("All temps > 0: ", all(t > 0 for t in all_temps))
def main():
"""
test function for words library
:return: nohing
"""
# list with first 1 million square numbers
m_sq = (x * x for x in range(1, 1000001))
print(m_sq, type(m_sq))
print("The sum of the first 1M squared numbers is: ", sum(m_sq))
print("The sum of the first 1M squared numbers is: ",
sum(x * x for x in range(1, 1000000)))
# the sum of the prime numbers between 1 to 10K
print("The sum of the first 10K squared numbers is: ",
sum(x for x in range(1, 10001) if is_prime(x)))
def main():
"""
Test function
:return:
"""
m_squares = (x*x for x in range(1, 1000001)) # list with first one million square numbers
print(m_squares, type(m_squares))
# -> <generator object main.<locals>.<genexpr> at 0x0000018268C39518> <class 'generator'>
# sum: sum all items of a collections
print('The sum of the first million numbers is:', sum(m_squares))
# -> The sum of the first million numbers is: 333333833333500000
# or do all in one line
print('The sum of the first million numbers is:', sum(x*x for x in range(1, 1000001)))
# -> The sum of the first million numbers is: 333333833333500000
# is_prime is in list_comprehensions lets call it so we can use it here, how to import
# from list_comprehensions import is_prime
# the sum of the prime numbers between 1 to 10K : we are using is_prime as a filter
print('The sum of the prime numbers from 1 to 10K is:', sum(x for x in range(1, 10001) if is_prime(x)))
