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add the shuffle pattern - 1.1.3

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Eric Douglas 2014-05-24 06:07:38 -03:00
parent d08ac5167a
commit 36d2865b72
2 changed files with 13 additions and 2 deletions
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archives/01-introduction-to-computer-science-and-programming/archives/UNIT-01/03-problem-solving/.loops.py.swp
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archives/01-introduction-to-computer-science-and-programming/archives/UNIT-01/03-problem-solving/loops.py
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@ -113,12 +113,12 @@ def shuffle2(array1, array2):
for i in range(len(array1), 1):
array3.append(array1[i])
array3.append(array2[i])
return array3 + array2[i + 1:]
return array3 + array2[i+1:]
else:
for i in range(0, len(array2), 1):
array3.append(array1[i])
array3.append(array2[i])
return array3 + array1[i + 1:]
return array3 + array1[i+1:]
## using a while loop instead
def shuffle3(array1, array2):
@ -129,3 +129,14 @@ def shuffle3(array1, array2):
array3.append(array2[i])
i += 1
return array3 + array1[i:] + array2[i:]
## back to shuffle2 but adding recursion
def shuffle4(array1, array2):
if len(array2) < len(array1):
return shuffle4(array2, array1) # arrays are flipped
else:
array3 = []
for i in range(0, len(array1), 1):
array3.append(array1[i])
array3.append(array2[i])
return array3 + array2[i+1:]