Selection
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#!/usr/bin/env python3; import sys # Begin Main print("Start...") if (len(sys.argv) != 3) : print("You need at least two command line arguments!") print("Finish...")
Output
$ python3 Selection1.py abc
Start...
You need at least two command line arguments!
Finish...
$ python3 Selection1.py abc 123
Start...
Finish...
#!/usr/bin/env python3; import Utils import sys # Begin Main x = Utils.stoiWithDefault(sys.argv[1], 0) print("Start...") if (x > 10) : print("Greater than 10") else : print("Less than or equal to 10") print("Finish...")
Output
$ python3 Selection2.py 8
Start...
Less than or equal to 10
Finish...
$ python3 Selection2.py 12
Start...
Greater than 10
Finish...
#!/usr/bin/env python3; import Utils import sys # Begin Main x = Utils.stoiWithDefault(sys.argv[1], 0) print("Start...") if (x > 1000) : print("Greater than 1000") elif (x > 100) : print("Greater than 100 but less than or equal to 1000") else : print("Less than or equal to 100") print("Finish...")
Output
$ python3 Selection3.py 12
Start...
Less than or equal to 100
Finish...
$ python3 Selection3.py 120
Start...
Greater than 100 but less than or equal to 1000
Finish...
$ python3 Selection3.py 1200
Start...
Greater than 1000
Finish...
#!/usr/bin/env python3; import Utils import sys # Begin Main x = Utils.stoiWithDefault(sys.argv[1], 0) for case in Utils.switch (x) : if case(1) : print("One") break if case(2) : print("Two") break if case(3) : pass if case(4) : print("Three or Four") break if case() : print("Just don't know!") break
Output
$ python3 Selection4.py 0
Just don't know!
$ python3 Selection4.py 1
One
$ python3 Selection4.py 2
Two
$ python3 Selection4.py 3
Three or Four
$ python3 Selection4.py 4
Three or Four
#!/usr/bin/env python3; import Utils import sys # Begin Main x = sys.argv[1][0] x = x.lower() for case in Utils.switch (x) : if case("a") : pass if case("e") : pass if case("i") : pass if case("o") : pass if case("u") : print("{0:c} is a vowel".format(ord(x[0]))) break if case("y") : print("y is sometimes a vowel") break if case() : print("{0:c} is a consonant".format(ord(x[0]))) break
Output
$ python3 Selection5.py a
a is a vowel
$ python3 Selection5.py g
g is a consonant
$ python3 Selection5.py I
i is a vowel
$ python3 Selection5.py T
t is a consonant
$ python3 Selection5.py y
y is sometimes a vowel
Questions
- {{Who's on first?}}
- {{Who's on second?}}
- {{Who's on third?}}
Projects
More ★'s indicate higher difficulty level.
- FICA Taxes (Revisited)
- FICA Taxes (Empoyee and Employer)
- Football Passer Rating (NFL and NCAA)
- Income Tax (Single Taxpayer)
- Income Tax
- Pythagorean Theorem
- Retirement Calculator
References
- [[Python Language Reference]]
- [[Python Standard Library]]
- [[Python at TutorialsPoint]]