python for loop 2 items at a time
# ------------- For loop using 2 items of a list --------------- #
# This code is trying to find if a point belongs between
# the interval of pairing points of a list:
mylist = [117, 202, 287, 372, 457, 542]
point = 490
# 117 < x < 202 ?
# 287 < x < 372 ?
# 457 < x < 542 ?
for i, j in zip(mylist[::2], mylist[1::2]):
if i < point < j:
print ("This point exists between: ", i, " - ", j)
break