Python: Working with pixels - Villanova
Python: Working with pixels
Reminder: Conditionals
if age < 18: showInformation("Sorry, not allowed to vote yet.")
else: showInformation("Please select candidate.")
Relational Operators
? a > b ? a < b ? a == b (equality) ? a = b ("greater than or equal") ? != (inequality)
Note: The order of signs matters: =! =< => do not work! There should be no spaces inside the relational operator, so "a < = b" also
does not work (See also Appendix A.4, p362)
Getting the leading zero into the filename:
if n < 10: filename = "swatch0" + str(n) + ".jpg"
else: filename = "swatch" + str(n) + ".jpg"
Getting the leading zero into the filename:
if n < 10: filename = "swatch0" + str(n) + ".jpg"
else: # here we know n >= 10 filename = "swatch" + str(n) + ".jpg"
What if you need more frames?
if n < 10: filename = "swatch00" + str(n) + ".jpg"
else: # here we know n >= 10 if n < 100: # here n is in the range of 10 ... 99 filename = "swatch0" + str(n) + ".jpg" else: # here we know n >= 100 filename = "swatch" + str(n) + ".jpg"
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