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-rw-r--r--python3.html.markdown21
1 files changed, 11 insertions, 10 deletions
diff --git a/python3.html.markdown b/python3.html.markdown
index 37987582..019934cb 100644
--- a/python3.html.markdown
+++ b/python3.html.markdown
@@ -6,6 +6,7 @@ contributors:
- ["Andre Polykanine", "https://github.com/Oire"]
- ["Zachary Ferguson", "http://github.com/zfergus2"]
- ["evuez", "http://github.com/evuez"]
+ - ["Rommel Martinez", "https://ebzzry.io"]
filename: learnpython3.py
---
@@ -209,9 +210,9 @@ li[4] # Raises an IndexError
# The start index is included, the end index is not
# (It's a closed/open range for you mathy types.)
li[1:3] # => [2, 4]
-# Omit the end
+# Omit the beginning and return the list
li[2:] # => [4, 3]
-# Omit the beginning
+# Omit the end and return the list
li[:3] # => [1, 2, 4]
# Select every second entry
li[::2] # =>[1, 4]
@@ -546,9 +547,9 @@ all_the_args(1, 2, a=3, b=4) prints:
# Use * to expand tuples and use ** to expand kwargs.
args = (1, 2, 3, 4)
kwargs = {"a": 3, "b": 4}
-all_the_args(*args) # equivalent to foo(1, 2, 3, 4)
-all_the_args(**kwargs) # equivalent to foo(a=3, b=4)
-all_the_args(*args, **kwargs) # equivalent to foo(1, 2, 3, 4, a=3, b=4)
+all_the_args(*args) # equivalent to all_the_args(1, 2, 3, 4)
+all_the_args(**kwargs) # equivalent to all_the_args(a=3, b=4)
+all_the_args(*args, **kwargs) # equivalent to all_the_args(1, 2, 3, 4, a=3, b=4)
# Returning multiple values (with tuple assignments)
def swap(x, y):
@@ -789,11 +790,11 @@ class Superhero(Human):
# This calls the parent class constructor:
super().__init__(name)
- # overload the sing method
+ # override the sing method
def sing(self):
return 'Dun, dun, DUN!'
- # add an additional class method
+ # add an additional instance method
def boast(self):
for power in self.superpowers:
print("I wield the power of {pow}!".format(pow=power))
@@ -816,7 +817,7 @@ if __name__ == '__main__':
# Calls parent method but uses its own class attribute
print(sup.get_species()) # => Superhuman
- # Calls overloaded method
+ # Calls overridden method
print(sup.sing()) # => Dun, dun, DUN!
# Calls method from Human
@@ -871,7 +872,7 @@ class Batman(Superhero, Bat):
def __init__(self, *args, **kwargs):
# Typically to inherit attributes you have to call super:
- #super(Batman, self).__init__(*args, **kwargs)
+ # super(Batman, self).__init__(*args, **kwargs)
# However we are dealing with multiple inheritance here, and super()
# only works with the next base class in the MRO list.
# So instead we explicitly call __init__ for all ancestors.
@@ -900,7 +901,7 @@ if __name__ == '__main__':
# Calls parent method but uses its own class attribute
print(sup.get_species()) # => Superhuman
- # Calls overloaded method
+ # Calls overridden method
print(sup.sing()) # => nan nan nan nan nan batman!
# Calls method from Human, because inheritance order matters