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- My post explains Format Specification with format() (1).
- My post explains Format Specification with format() (3).
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- My post explains Format Specification with format() (5).
- My post explains f-strings.
- My post explains format().
- My post explains format_map().
- My post explains a string.
:[f][a][s][z][#][0][w][g][.p][t]
can format a string as shown below. *Format Specification Mini-Language explains more details:
<Right-align a string with '>'>:
*It's like rjust().
v = "John Smith"
print(f'"{v:>20}"')
print(f'"{v: >20}"')
# " John Smith"
# ↑↑↑↑↑↑↑↑↑↑
print(f'"{v:?>20}"')
# "??????????John Smith"
print(f'"{v:?>17}"')
# "???????John Smith"
print(f'"{v:?>14}"')
# "????John Smith"
print(f'"{v:?>13}"')
# "???John Smith"
print(f'"{v:?>12}"')
# "??John Smith"
print(f'"{v:?>11}"')
# "?John Smith"
print(f'"{v:?>0}"')
print(f'"{v:?>}"')
print(f'"{v:>}"')
print(f'"{v:}"')
print(f'"{v}"')
# "John Smith"
v = " John Smith "
# ↑↑↑ ↑↑↑
print(f'"{v:?>0}"')
# " John Smith "
# ↑↑↑ ↑↑↑
print(f'"{v:?>20}"')
# "???? John Smith "
# ↑↑↑ ↑↑↑
<Right-align a string with '='>:
*It's like zfill().
v = 1234
print(f'"{v:=10}"')
print(f'"{v: =10}"')
print(f'"{v:= 10}"')
print(f'"{v: = 10}"')
print(f'"{v:=-10}"')
# " 1234"
# ↑↑↑↑↑↑
print(f'"{v:=+10}"')
print(f'"{v:=+10}"')
# "+ 1234"
# ↑↑↑↑↑
print(f'"{v:=+010}"')
print(f'"{v:0=+10}"')
# "+000001234"
print(f'"{v:=+08}"')
print(f'"{v:0=+8}"')
# "+0001234"
print(f'"{v:=+06}"')
print(f'"{v:0=+6}"')
# "+01234"
print(f'"{v:=+05}"')
print(f'"{v:0=+5}"')
print(f'"{v:=+00}"')
print(f'"{v:0=+0}"')
print(f'"{v:=+0}"')
print(f'"{v:0=+}"')
print(f'"{v:=+}"')
# "+1234"
print(f'"{v:=0}"')
print(f'"{v:0=}"')
print(f'"{v:=}"')
print(f'"{v:}"')
print(f'"{v}"')
# "1234"
v = -1234
print(f'"{v: =10}"')
print(f'"{v:= 10}"')
print(f'"{v: = 10}"')
print(f'"{v:=+10}"')
print(f'"{v:=-10}"')
# "- 1234"
print(f'"{v:=-010}"')
print(f'"{v:0=-10}"')
# "-000001234"
print(f'"{v:=-08}"')
print(f'"{v:0=-8}"')
# "-0001234"
print(f'"{v:=-06}"')
print(f'"{v:0=-6}"')
# "-01234"
print(f'"{v:=-05}"')
print(f'"{v:0=-5}"')
print(f'"{v:=-00}"')
print(f'"{v:0=-0}"')
print(f'"{v:=-}"')
print(f'"{v:0=-}"')
print(f'"{v:=}"')
print(f'"{v:0=}"')
print(f'"{v:}"')
print(f'"{v}"')
# "-1234"
<Make a negative zero a positive zero>:
print(-0.0) # -0.0
print(f'{-0.0:z}') # 0.0
print(-0.0-0.0j) # (-0+0j)
print(f'{-0.0-0.0j:z}') # (0+0j)
print(0.0)
print(f'{0.0:z}')
# 0.0
print(-0.0+0.0j)
print(f'{-0.0+0.0j:z}')
print(0.0-0.0j)
print(f'{0.0-0.0j:z}')
# 0j
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