# Example 1
test_str = "Canada"
for i, c in enumerate(test_str):
    print(i, c)
print("------------------------")
# Example 2
indx = 0
while indx < len(test_str):
    print(indx, test_str[indx])
    indx += 1
print("------------------------")
# Example 3
for char in test_str:
    print(char)

0 C
1 a
2 n
.......
d
a

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