New submission from jeet shah :
See difference in output by changing array definition.
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files: matrix summation-Copy1.ipynb
messages: 377268
nosy: jeetshahj12375
priority: normal
severity: normal
status: open
title: 2D array issue
type: behavior
versions: Python 3.10
Added file
jeet shah added the comment:
after = [[1,2],[3,4]]
rows, cols = (len(after), len(after[0]))
before = [[0]*cols]*rows
# before = [[0 for i in range(cols)] for j in range(rows)] #uncomment this
array definition and comment above one... see difference in output.
print(before)
def
